| 公式 | こうしき | official; formal; formula (e.g. mathematical); official (social media) account (of a company, organization, etc.) | n2 |
| 公開 | こうかい | opening to the public; making available to the public; exhibiting; unveiling | n2 |
| 公 | おおやけ | official; governmental; formal; public (use, matter, forum, etc.) | |
| 主人公 | しゅじんこう | protagonist; main character; hero; heroine | n2 |
| 公園 | こうえん | (public) park | n5 |
| 奉公 | ほうこう | live-in domestic service; live-in apprenticeship; public duty; public service | n4 |
| 公式サイト | こうしきサイト | official website | |
| 公表 | こうひょう | official announcement; proclamation | n2 |
| 公平 | こうへい | fair; impartial; just; objective | n2 |
| 公演 | こうえん | public performance; exhibition in a foreign country | n2 |
| 公然 | こうぜん | open; public; official; overt | |
| 公共 | こうきょう | public (facilities, service, etc.); communal | n3 |
| 公的 | こうてき | public; official | n1 |
| 公開日 | こうかいひ | release date; publication date; opening day; open day | |
| 奉公人 | ほうこうにん | servant; employee | |
| 公認 | こうにん | official recognition; official approval; certification; authorization | |
| 公衆 | こうしゅう | the public; general public | n2 |
| 公明正大 | こうめいせいだい | fair; just and upright; open and honest; aboveboard | |
| 公布 | こうふ | official proclamation; announcement; promulgation (e.g. of regulations) | n1 |
| 公募 | こうぼ | public appeal (e.g. for contributions); public advertisement (of a post); open recruitment; public offering (of securities) | |
| 公家 | くげ | court noble; nobility; kuge; Imperial Court | |
| 公卿 | くぎょう | high-ranking court noble; senior court official; kugyō; three lords and nine ministers (of the ancient Chinese government) | |
| 公正 | こうせい | justice; fairness; impartiality | n2 |
| 公益 | こうえき | public interest; public benefit; public good | n1 |
| 貴公 | きこう | you | n2 |
| 公儀 | こうぎ | imperial court; shogunate government; authorities; public affairs | n3 |
| 公爵 | こうしゃく | prince; duke | |
| 中央公論 | ちゅうおうこうろん | Chūōkōron (monthly literary magazine) | |
| 不公平 | ふこうへい | unfairness; injustice; partiality | n2 |
| 公言 | こうげん | declaration; profession | n1 |
| 公務員 | こうむいん | public employee; government employee; public-sector worker; public servant | n3 |
| 非公開 | ひこうかい | private; non-public; secret; closed-door | |
| 公認心理師 | こうにんしんりし | licensed psychologist; certified public psychologist | |
| 公用文 | こうようぶん | official terminology | |
| 公論 | こうろん | public opinion; unbiased criticism; unbiassed criticism | |
| 公達 | きんだち | kings; children of nobles; young nobleman | |
| 貴公子 | きこうし | young nobleman; scion of a noble family; princely young man; man with an aristocratic air | |
| 公事 | こうじ | government business | n4 |
| 公示 | こうじ | public announcement; official notice; edict | n4 |
| 公使 | こうし | envoy; diplomat below the rank of ambassador (e.g. deputy chief of mission, charge d'affaires); minister (of legation) | n2 |
| 公立 | こうりつ | public (institution) | n2 |
| 公子 | こうし | young nobleman | n2 |
| 公務 | こうむ | official business; public business | |
| 蒲公英 | たんぽぽ | dandelion (esp. species Taraxacum platycarpum) | n2 |
| 公私 | こうし | public and private matters; official and personal affairs; professional and personal lives | n2 |
| 公判 | こうはん | public hearing; trial | n3 |
| 公方 | くぼう | public affairs; the court; the shogun; the shogunate | |
| 公明 | こうめい | fairness; openness; impartiality; Komeito (Japanese political party) | n1 |
| 公開鍵 | こうかいかぎ | public key | |
| 公文書 | こうぶんしょ | official document; archives | |
| 郭公 | かっこう | common cuckoo (Cuculus canorus) | n4 |
| 公用 | こうよう | official business; government business; public business; company duties | n2 |
| 公民 | こうみん | citizen; civics (school subject) | |
| 最大公約数 | さいだいこうやくすう | greatest common divisor; GCD | |
| 公益財団 | こうえきざいだん | public utility foundation | |
| 公会堂 | こうかいどう | town hall; public hall | |
| 官公庁 | かんこうちょう | government and municipal offices; public agencies | n1 |
| 公使館 | こうしかん | legation | |
| 最小公倍数 | さいしょうこうばいすう | least common multiple; lowest common multiple | |
| 公道 | こうどう | public road; highway; righteousness; justice | n4 |
| 公算 | こうさん | probability; likelihood | n1 |
| 公刊 | こうかん | publication | n3 |
| 公式戦 | こうしきせん | official match; regular game; regular-season game; formal match | |
| 公債 | こうさい | public debt; public bond; government securities | n1 |
| 公開中 | こうかいちゅう | now available (e.g. for sale); now showing (e.g. film, exhibition) | |
| 非公式 | ひこうしき | informal; unofficial | |
| 公司 | コンス | company (in China); firm | |
| 公共交通 | こうきょうこうつう | public transportation; public transport | |
| 公共団体 | こうきょうだんたい | public organization; public organisation | |
| 諸公 | しょこう | high-ranking officials; ministers; ladies and gentlemen; everyone | |
| 公告 | こうこく | public announcement; official notice | n3 |
| 公娼 | こうしょう | licensed prostitute | n2 |
| 国公立 | こっこうりつ | national and public | |
| 公社 | こうしゃ | public corporation | n2 |
| 公営 | こうえい | public management | n1 |
| 初公開 | はつこうかい | debut; opening; first public exhibition | |
| 公文 | こうぶん | official document; archives | |
| 公開練習 | こうかいれんしゅう | public workout | |
| 公会 | こうかい | public meeting | n2 |
| 公立大学 | こうりつだいがく | public university | |
| 公開講座 | こうかいこうざ | extension lectures | |
| 国立公園 | こくりつこうえん | national park | n1 |
| 公職 | こうしょく | public office | |
| 公憤 | こうふん | public indignation; anger (as a citizen) | n2 |
| 公理 | こうり | axiom; maxim; self-evident truth | n2 |
| 公報 | こうほう | official bulletin; communique | n3 |
| 公害 | こうがい | pollution; public nuisance; contamination | n1 |
| 公安 | こうあん | public peace; public safety; public security; peace and order | n1 |
| 公定 | こうてい | official (rate, price, etc.); officially fixed | n2 |
| 大公 | たいこう | archduke | n2 |
| 公人 | こうじん | public character | |
| 公孫樹 | いちょう | ginkgo (Ginkgo biloba); gingko; maidenhair tree | n2 |
| 公平性 | こうへいせい | fairness | |
| 国家公務員 | こっかこうむいん | (national) government official; national public servant; national government employee | |
| 公案 | こうあん | koan; kōan; Zen question for meditation (e.g. the sound of one hand clapping) | n1 |
| 公正取引 | こうせいとりひき | fair trade | |
| 公的機関 | こうてききかん | public institution; public organization; official body | |
| 公約 | こうやく | public commitment; public promise; campaign pledge; official vow | |
| 三公 | さんこう | three lords (highest ranking officials in the old Imperial Chinese or Japanese governments) | n3 |
| 公認会計士 | こうにんかいけいし | certified public accountant | |
| 公称 | こうしょう | public announcement; official statement; official claim; nominal | n2 |
| 公設 | こうせつ | public (institution) | |
| 尊公 | そんこう | you; your father | |
| 公判廷 | こうはんてい | court; courtroom | |
| 公正証書 | こうせいしょうしょ | notarized document; notarised document | |
| 公民館 | こうみんかん | public hall; community center; community centre | |
| 情報公開 | じょうほうこうかい | freedom of information; access to information; disclosure of information (e.g. by the government); releasing information (of an organization or an individual) | n1 |
| 公金 | こうきん | public funds | |
| 公共施設 | こうきょうしせつ | public facilities; utilities | |
| 公休 | こうきゅう | legal holiday | n2 |
| 公明党 | こうめいとう | Komeito (Japanese political party) | |
| 太公望 | たいこうぼう | (avid) angler | |
| 公文書館 | こうぶんしょかん | public records office; archives | |
| 公衆衛生 | こうしゅうえいせい | public health; public hygiene; sanitation | |
| 公証 | こうしょう | authentication; notarization; notarisation | n2 |
| 公主 | こうしゅ | princess | |
| 公序良俗 | こうじょりょうぞく | public order and morals; social standards; public policy | |
| 公武 | こうぶ | nobles and soldiers; imperial court | |
| 王公 | おうこう | royalty and nobility; noble; aristocrat | |
| 公式発表 | こうしきはっぴょう | official announcement | |
| 公費 | こうひ | public expense; public funds; public money; public expenditure | |
| 年季奉公 | ねんきぼうこう | apprenticeship; indentureship; indenture; indentured servitude | |
| 公徳 | こうとく | public morality; social morals; civic virtues | |
| 公益法人 | こうえきほうじん | public-service corporation; charitable corporation; juridical (legal) person working for the public good | |
| 公の場 | おおやけのば | public space; (in) public | |
| 公証人 | こうしょうにん | notary public; notary; public notary | |
| 公法 | こうほう | public law | n3 |
| 公館 | こうかん | official residence | n3 |
| 公団 | こうだん | public corporation; public housing | |
| 公会議 | こうかいぎ | Ecumenical Council | |
| 公用語 | こうようご | official language | |
| 公安委員会 | こうあんいいんかい | public safety commission | |
| 親水公園 | しんすいこうえん | urban park built around a river, lake, etc. | |
| 運動公園 | うんどうこうえん | sports park; athletic park; stadium | |
| 公転 | こうてん | revolution (of a celestial body around another) | |
| 公吏 | こうり | local government official | n2 |
| 公許 | こうきょ | official permission; government licence (license) | |
| 公選 | こうせん | public election; election by popular vote | |
| 老公 | ろうこう | elderly nobleman | |
| 公国 | こうこく | dukedom; duchy; principality | n3 |
| 未公開 | みこうかい | unpublished; not made public; unlisted (e.g. stock); unreleased | |
| 地方公務員 | ちほうこうむいん | local government employee; local civil servant | |
| 公有 | こうゆう | public ownership; public domain | |
| 聖公会 | せいこうかい | Anglican Church; Protestant Episcopal Church | |
| 公武合体 | こうぶがったい | shogunate marital union with the Imperial family | |
| 公訴 | こうそ | (public) prosecution; indictment; accusation | n3 |
| 自然公園 | しぜんこうえん | nature park; natural park | |
| 総合運動公園 | そうごううんどうこうえん | combined sports park; comprehensive sports park; general athletic park | |
| 公役 | こうえき | public service | n1 |
| 公僕 | こうぼく | public servant | |
| 公権 | こうけん | civil rights | n2 |
| 公知 | こうち | public knowledge; common knowledge | |
| 公共性 | こうきょうせい | publicness (degree to which a particular action will affect society as large); public nature; commonality | |
| 一般公開 | いっぱんこうかい | opening to the public (e.g. garden, etc.); read permission: anybody | |
| 公庫 | こうこ | finance corporation | |
| 非公認 | ひこうにん | unofficial; unauthorised | |
| 公立高校 | こうりつこうこう | public high school | |
| 公職選挙法 | こうしょくせんきょほう | Public Offices Election Act | |
| 公義 | こうぎ | justice; equity | n3 |
| 公器 | こうき | public institution | |
| 公倍数 | こうばいすう | common multiple | |
| 公共工事 | こうきょうこうじ | public works | |
| 公議 | こうぎ | public opinion; public debate; just view; fair argument | n3 |
| 児童公園 | じどうこうえん | children's park; children's playground | |
| 公課 | こうか | public imposts; taxes | n4 |
| 公海 | こうかい | high seas; international waters | n2 |
| 中公文庫 | ちゅうこうぶんこ | Chuukoubunko (publisher) | |
| 総合公園 | そうごうこうえん | multi-purpose park; comprehensive park | |
| 国公立大学 | こっこうりつだいがく | national, prefectural and other public universities and colleges | |
| 公邸 | こうてい | official residence | n2 |
| 公営住宅 | こうえいじゅうたく | public housing | |
| 公立学校 | こうりつがっこう | public school | |
| 公衆浴場 | こうしゅうよくじょう | public bathhouse | |
| 公衆電話 | こうしゅうでんわ | public telephone; pay phone | |
| 森林公園 | しんりんこうえん | forest park | |
| ハチ公 | ハチこう | Hachikō; Akita dog that waited every day at Shibuya station for the return of his owner (1923-1935) | |
| 公約数 | こうやくすう | common factor; common divisor | |
| 公務員試験 | こうむいんしけん | civil service examination | |
| 公売 | こうばい | public sale; public auction | n1 |
| 公教育 | こうきょういく | public education (including private schools under the Japanese national education system); state education | |
| 公社債 | こうしゃさい | public bonds | |
| 官公署 | かんこうしょ | government and public offices; public agency | |
| 海浜公園 | かいひんこうえん | beachfront park; park by the sea | |
| 不公正 | ふこうせい | injustice; unfairness | |
| 公正性 | こうせいせい | fairness | |
| 公共事業 | こうきょうじぎょう | public works; public-works projects; public utilities | |
| 滅私奉公 | めっしほうこう | selfless devotion | |
| 公魚 | ワカサギ | Japanese pond smelt (Hypomesus nipponensis); wakasagi | |
| 公団住宅 | こうだんじゅうたく | public housing | |
| 国定公園 | こくていこうえん | quasi-national park; national park designated by the government but managed by a prefecture | |
| 大阪公立大学 | おおさかこうりつだいがく | Osaka Metropolitan University | |
| 公田 | こうでん | paddy administered directly by a ruler | |
| 雷公 | らいこう | thunder | |
| 公立校 | こうりつこう | public school | |
| 公聴会 | こうちょうかい | public hearing | |
| 公害防止 | こうがいぼうし | pollution control; pollution prevention | |
| 公訴時効 | こうそじこう | limitation; prescription of the right to prosecute an accused; statute of limitation | |
| 国家公安委員会 | こっかこうあんいいんかい | National Public Safety Commission | |
| 未公表 | みこうひょう | not officially announced; non-public; unpublished | |
| 公共放送 | こうきょうほうそう | public broadcasting (e.g. NHK, BBC) | |
| 公営企業 | こうえいきぎょう | public enterprise | |
| 公式行事 | こうしきぎょうじ | official function; state function | |
| 公利 | こうり | public good; public profit | n2 |
| 公権力 | こうけんりょく | public power; governmental authority | |
| 大公国 | たいこうこく | grand duchy | |
| 公証役場 | こうしょうやくば | notary public's office | |
| 公傷 | こうしょう | injury sustained while on duty; occupational injury; injury sustained at an official tournament; injury sustained during a match | n2 |
| 自公 | じこう | (coalition of) the Liberal Democratic Party and Komeito | n1 |
| 公印 | こういん | official seal | |
| 公共財 | こうきょうざい | public goods (i.e. goods or services such as lighthouses, military installations, etc., which are provided by government) | |
| 公式的 | こうしきてき | formulaic; official | |
| 公的年金 | こうてきねんきん | public pension | |
| 動物公園 | どうぶつこうえん | zoo; zoological park | |
| 株式公開 | かぶしきこうかい | stock offering (to the public) | |
| 熊公八公 | くまこうはちこう | uncultured but well-intentioned person; your average nice guy; Joe Blow; Joe Bloggs | |
| 金融公庫 | きんゆうこうこ | finance corporation | |
| 公党 | こうとう | political party | n2 |
| 公所 | おおやけどころ | imperial court; government office; imperial land; government land | |
| 公民権 | こうみんけん | civil rights; franchise; citizenship | |
| 公共料金 | こうきょうりょうきん | public utilities charge | |
| 公共機関 | こうきょうきかん | public agency; public institution | |
| 公的支援 | こうてきしえん | public support; official support; public aid | |
| 公立病院 | こうりつびょういん | public hospital; government hospital; municipal hospital | |
| 国公私立 | こっこうしりつ | national, public, and private | |
| 近隣公害 | きんりんこうがい | (noise, smell, air, water) pollution in the neighborhood | |
| 公安調査庁 | こうあんちょうさちょう | Public Security Intelligence Agency | |
| 公差 | こうさ | common difference; tolerance (in engineering, manufacturing, etc.); allowance; allowable error | |
| 公準 | こうじゅん | postulate (in math, logic, etc.) | |
| 公衙 | こうが | government office; public office | |
| 公路 | こうろ | public road; highway | |
| 公領 | こうりょう | duchy; dukedom; principality | |
| 公取委 | こうとりい | Japan Fair Trade Commission (abbr) | |
| 公選法 | こうせんほう | Public Offices Election Act | |
| 公式試合 | こうしきしあい | championship match | |
| 都市公園 | としこうえん | urban park; city park; municipal park | |
| 電子公告 | でんしこうこく | electronic public notice | |
| 住宅金融公庫 | じゅうたくきんゆうこうこ | Government Housing Loan Corporation; Housing Loan Corporation | |
| 日本交通公社 | にほんこうつうこうしゃ | Japan Travel Bureau Foundation (JTB) | |
| 公署 | こうしょ | government office | |
| 公安部 | こうあんぶ | Public Safety Bureau (of the Tokyo Metropolitan Police Department); Ministry of Public Security (China) | |
| 公有地 | こうゆうち | public land | |
| 公立大 | こうりつだい | public university | |
| 奉公先 | ほうこうさき | one's employer's house; one's employer; place of apprenticeship | |
| 公傷制度 | こうしょうせいど | official injury exemption system; system for exempting players injured in an official match from pay reduction or demotion | |
| 公定価格 | こうていかかく | official price; government-imposed price limit | |
| 公定歩合 | こうていぶあい | official discount (bank) rate | |
| 公益事業 | こうえきじぎょう | public utilities; public enterprise; public service | |
| 公示価格 | こうじかかく | declared value | |
| 公衆便所 | こうしゅうべんじょ | public lavatory; public toilet; public restroom; slut | |
| 公共図書館 | こうきょうとしょかん | public library | |
| 株式公開買付 | かぶしきこうかいかいつけ | tender offer; take-over bid; TOB | |
| 青森公立大学 | あおもりこうりつだいがく | Aomori Public University | |
| 水資源開発公団 | みずしげんかいはつこうだん | Water Resources Development Public Corporation | |
| 公苑 | こうえん | (public) park | n5 |
| 公妃 | こうひ | noble's consort; consort of a prince; consort of a duke; duchess | |
| 公欠 | こうけつ | authorized absence; permission of absence from class(es) | |
| 公共心 | こうきょうしん | public spirit | |
| 公共物 | こうきょうぶつ | public property | |
| 公務中 | こうむちゅう | on duty | |
| 公害病 | こうがいびょう | pollution-caused illness | |
| 公海上 | こうかいじょう | on the high seas | |
| 初公判 | はつこうはん | first trial; first hearing | |
| 志公会 | しこうかい | Shikōkai (faction of the Liberal Democratic Party); Aso faction | |
| 公営競技 | こうえいきょうぎ | government-controlled gambling sport (Japan); gambling sport under the control of a local authority | |
| 公爵夫人 | こうしゃくふじん | princess; duchess | |
| 公転周期 | こうてんしゅうき | period of revolution; orbital period | |
| 国営公園 | こくえいこうえん | government-managed park; national government park | |
| 植物公園 | しょくぶつこうえん | botanical garden; park | |
| 公立中学校 | こうりつちゅうがっこう | public junior high school | |
| 日本鉄道建設公団 | にほんてつどうけんせつこうだん | Japan Railway Construction Public Corporation | |
| 公教 | こうきょう | (Roman) Catholicism | n3 |
| 公租 | こうそ | public tax | n3 |
| 公図 | こうず | cadastral map | n2 |
| 公聴 | こうちょう | public consultation; public information | n2 |
| 公評 | こうひょう | popular opinion; popular reputation; impartial criticism | n2 |
| 公助 | こうじょ | public assistance (i.e. assistance provided by a public body) | |
| 公序 | こうじょ | public order; public policy | |
| 公船 | こうせん | public vessel | |
| 公電 | こうでん | official telegram; (diplomatic) cable | |
| 愚公 | ぐこう | Yu Gong (main character in the 4th century BC Chinese fable "The Foolish Old Man Removes the Mountains"); Yúgōng; Yukong | |
| 公分母 | こうぶんぼ | common denominator | |
| 公安職 | こうあんしょく | public security official (e.g. policemen, prison officers) | |
| 公家衆 | くげしゅう | courtier; noble; people serving the Imperial Court | |
| 公開状 | こうかいじょう | open letter | |
| 代理公使 | だいりこうし | chargé d'affaires; chargé | |
| 全権公使 | ぜんけんこうし | minister plenipotentiary | |
| 公共投資 | こうきょうとうし | public investment | |
| 公地公民 | こうちこうみん | complete state ownership of land and citizens (proclaimed by the Taika reforms; ritsuryō period) | |
| 公害問題 | こうがいもんだい | pollution problem or issue | |
| 公害対策 | こうがいたいさく | anti-pollution measures | |
| 公正無私 | こうせいむし | fair and impartial; just and unselfish | |
| 公示地価 | こうじちか | official land price; assessed value of land | |
| 公金横領 | こうきんおうりょう | misappropriation of public funds | |
| 公開処刑 | こうかいしょけい | public execution; public embarrassment | |
| 公開書簡 | こうかいしょかん | open letter | |
| 国家公安 | こっかこうあん | National Public Safety Commission | |
| 国民公園 | こくみんこうえん | national garden | |
| 未公開株 | みこうかいかぶ | unlisted stocks; unlisted shares; unquoted shares | |
| 緑地公園 | りょくちこうえん | environmental park; ryokuchi park | |
| 公民権運動 | こうみんけんうんどう | civil rights movement (esp. American) | |
| 公衆衛生学 | こうしゅうえいせいがく | public health (studies) | |
| 公開討論会 | こうかいとうろんかい | open forum | |
| 西洋蒲公英 | せいようタンポポ | common dandelion (Taraxacum officinale) | |
| 公侯 | こうこう | princes and marquises; great feudal lords | n5 |
| 公暇 | こうか | leave of absence; furlough | n4 |
| 先公 | せんこう | previous ruler; previous lord; late lord; teacher | n2 |
| 公庁 | こうちょう | offices of a public or governmental organization (organisation) | n2 |
| 公庭 | こうてい | place of ceremony; public place | n2 |
| 公舍 | こうしゃ | official residence | n2 |
| 公舎 | こうしゃ | official residence | n2 |
| 公葬 | こうそう | public funeral | n2 |
| 公試 | こうし | national examinations | n2 |
| 公請 | くじょう | being called upon to give a Buddhist service (or lecture, etc.) at the Imperial Court; monk called upon to give a Buddhist service (or lecture, etc.) at the Imperial Court | n2 |
| 公女 | こうじょ | young noblewoman; princess | |
| 公廨 | くがい | government office | |
| 公時 | きんとき | red; red kidney bean; sweet potato (any of a number of different cultivars with red skin); bowl of shaved ice with boiled adzuki beans | |
| 公述 | こうじゅつ | speaking at a public hearing | |
| 猿公 | えてこう | monkey; ape | |
| 公企業 | こうきぎょう | public corporation | |
| 公休日 | こうきゅうび | legal holiday | |
| 公安官 | こうあんかん | railway police | |
| 公文式 | くもんしき | Kumon method (of learning) | |
| 公文所 | くもんじょ | government office | |
| 公法人 | こうほうじん | public corporation; juridical person | |
| 公生活 | こうせいかつ | public life | |
| 公用車 | こうようしゃ | official vehicle | |
| 公衆網 | こうしゅうもう | public network | |
| 公選制 | こうせんせい | popular election system | |
| 無公害 | むこうがい | non-polluting; pollution-free; clean (e.g. energy) | |
| 万国公法 | ばんこくこうほう | international laws | |
| 五公五民 | ごこうごみん | land-tax system during the Edo period under which the government took half of the year's crop and the farmers kept the other half | |
| 人民公社 | じんみんこうしゃ | people's commune | |
| 公判期日 | こうはんきじつ | trial day; trial date | |
| 公務災害 | こうむさいがい | accidents in line of duty | |
| 公園墓地 | こうえんぼち | garden cemetery; park cemetery; memorial park | |
| 公安警察 | こうあんけいさつ | security police | |
| 公式訪問 | こうしきほうもん | official visit | |
| 公有水面 | こうゆうすいめん | public waters | |
| 公有財産 | こうゆうざいさん | public property | |
| 公的扶助 | こうてきふじょ | public assistance | |
| 公益質屋 | こうえきしちや | public pawn shop | |
| 公私混同 | こうしこんどう | mixing of public and private affairs; mixing business with personal affairs; mixing work and private matters | |
| 公職追放 | こうしょくついほう | expulsion of a public official and subsequent ban on participating in politics (by the SCAP during the allied occupation); purge | |
| 公認候補 | こうにんこうほ | official candidate | |
| 公転運動 | こうてんうんどう | orbital motion | |
| 公開裁判 | こうかいさいばん | open court | |
| 大使公邸 | たいしこうてい | ambassador's residence | |
| 女中奉公 | じょちゅうぼうこう | domestic service; working as a housemaid; domestic help; domestic helper | |
| 女主人公 | おんなしゅじんこう | heroine; female protagonist | |
| 政権公約 | せいけんこうやく | policy statement; manifesto | |
| 武家奉公 | ぶけぼうこう | service with a samurai family; serving in a samurai household (as a valet, chambermaid, etc.) | |
| 海中公園 | かいちゅうこうえん | underwater park | |
| 至公至平 | しこうしへい | completely fair or just | |
| 観光公害 | かんこうこうがい | overtourism | |
| 選挙公報 | せんきょこうほう | official gazette for elections | |
| 防災公園 | ぼうさいこうえん | park that can serve as an emergency relief center | |
| 騒音公害 | そうおんこうがい | noise pollution | |
| 公共企業体 | こうきょうきぎょうたい | public or government corporation | |
| 公立図書館 | こうりつとしょかん | public library | |
| 年季奉公人 | ねんきぼうこうにん | indentured servant; articled apprentice | |
| 公文書偽造罪 | こうぶんしょぎぞうざい | (crime of) forging an official document; falsification of official records | |
| 釧路公立大学 | くしろこうりつだいがく | Kushiro Public University of Economics | |
| 新東京国際空港公団 | しんとうきょうこくさいくうこうこうだん | New Tokyo International Airport Authority | |
| 日本公認会計士協会 | にほんこうにんかいけいしきょうかい | Japanese Institute of Certified Public Accountants | |
| 公簡 | こうかん | official letter (esp. in internal company corresp.); formal letter | n3 |
| 公委 | こうい | public safety commission | n2 |
| 公空 | こうくう | international airspace; international space | n2 |
| セン公 | せんこう | previous ruler; previous lord; late lord; teacher | n2 |
| 主公 | しゅこう | master; main character; protagonist | n1 |
| 乃公 | だいこう | I; me | n1 |
| 公妨 | こうぼう | interference with a public servant in the execution of his or her duties | n1 |
| 公敵 | こうてき | public enemy | n1 |
| 公裁 | こうさい | judicial decision | n1 |
| 至公 | しこう | perfect fairness | n1 |
| 迺公 | だいこう | I; me | n1 |
| 丸公 | まるこう | official price | |
| 公住 | こうじゅう | apartment house built by the Japan Housing Corporation | |
| 公地 | こうち | public land; government land | |
| 公宅 | こうたく | government-provided housing for civil servants (esp. in Hokkaidō); public housing | |
| 公比 | こうひ | common ratio; geometric ratio | |
| 公簿 | こうぼ | public record; public register; official records | |
| 公辺 | こうへん | public ceremonies; public affairs | |
| 守公 | しゅく | outcasts common around the Kyoto region from the Kamakura period to the Edo period | |
| 断公 | タンヤオ | tanyao (winning hand containing no terminal tiles or honor tiles); all simples | |
| ずべ公 | ズベこう | female delinquent | |
| だち公 | ダチこう | buddy; pal; friend | |
| わん公 | ワンこう | dog | |
| アメ公 | アメこう | American; Yankee; Yank | |
| イタ公 | イタこう | Italian person | |
| エテ公 | えてこう | monkey; ape | |
| ズベ公 | ズベこう | female delinquent | |
| ダチ公 | ダチこう | buddy; pal; friend | |
| ナチ公 | ナチこう | Nazi; kraut; German | |
| ポリ公 | ポリこう | police; policeman; police officer | |
| ヤー公 | ヤーこう | yakuza | |
| ユダ公 | ユダこう | Jew | |
| ワン公 | ワンこう | dog | |
| 公々然 | こうこうぜん | completely out in the open; very publicly; in broad daylight | |
| 公九牌 | ヤオチュウハイ | terminal and honor tiles (i.e. 1, 9, and non-numbered tiles) | |
| 公保険 | こうほけん | public insurance | |
| 公公然 | こうこうぜん | completely out in the open; very publicly; in broad daylight | |
| 公共債 | こうきょうさい | government bond | |
| 公共圏 | こうきょうけん | public sphere; public domain | |
| 公判日 | こうはんび | trial date; court date | |
| 公労協 | こうろうきょう | Federation of Public Corporation and Government Enterprise Workers' Unions | |
| 公労委 | こうろうい | Public Corporation and National Enterprise Labor Relations Commission | |
| 公労法 | こうろうほう | Public Corporations and Government Enterprises Labor Relations Act | |
| 公募債 | こうぼさい | public issue | |
| 公募株 | こうぼかぶ | publicly subscribed shares or stock | |
| 公因数 | こういんすう | common factor | |
| 公園課 | こうえんか | parks section (e.g. of a city administration); parks division | |
| 公奴婢 | くぬひ | government-owned slave | |
| 公定価 | こうていか | ceiling or fixed price | |
| 公害罪 | こうがいざい | (act or crime of) pollution | |
| 公廨田 | くがいでん | land given to high-ranking government officials (ritsuryō system); land given to pay for the expenses of a government office | |
| 公徳心 | こうとくしん | public spirit | |
| 公教会 | こうきょうかい | (Roman) Catholic Church | |
| 公有林 | こうゆうりん | public forest | |
| 公有物 | こうゆうぶつ | public property | |
| 公欠届 | こうけつとどけ | absence permission slip | |
| 公民科 | こうみんか | civics (school subject) | |
| 公現祭 | こうげんさい | Epiphany | |
| 公理系 | こうりけい | axiomatic system | |
| 公理論 | こうりろん | axiomatic theory | |
| 公生涯 | こうしょうがい | public life; public career | |
| 公用物 | こうようぶつ | public property | |
| 公羊伝 | くようでん | Gongyang Zhuan (Chinese classical work); Gongyang Commentary on the Spring and Autumn Annals; Commentary of Gongyang | |
| 公職者 | こうしょくしゃ | public official; public servant | |
| 公記録 | こうきろく | public record | |
| 公訴権 | こうそけん | authority of prosecution; authority to indict | |
| 公証料 | こうしょうりょう | notary charges or fees | |
| 公議所 | こうぎしょ | temporary name of the initial Meiji-era legislative body (1869) | |
| 公転面 | こうてんめん | plane of revolution | |
| 公述人 | こうじゅつにん | speaker at a public hearing | |
| 公開文 | こうかいぶん | public text | |
| 公開株 | こうかいかぶ | publicly traded stock; stock listed on the stock exchange | |
| 初奉公 | ういぼうこう | first apprenticeship | |
| 奉公口 | ほうこうぐち | place of employment | |
| 妾奉公 | めかけぼうこう | serving as a concubine | |
| 官公吏 | かんこうり | officialdom | |
| 小公女 | しょうこうじょ | A Little Princess (novel) | |
| 小公子 | しょうこうし | Little Lord Fauntleroy (novel by Frances Hodgson Burnett) | |
| 断公九 | タンヤオチュー | all simples; winning hand containing no terminal tiles or honor tiles | |
| 為公会 | いこうかい | Iko-kai (faction of the LDP) | |
| 犬公方 | いぬくぼう | Dog Shogun (nickname of Tokugawa Tsunayoshi) | |
| 礼奉公 | れいぼうこう | free service after one has finished one's apprenticeship | |
| 自公民 | じこうみん | Liberal Democratic Party, Komeito and Democratic Socialist Party | |
| 自自公 | じじこう | (coalition of) the Liberal Democratic Party, the Liberal Party and Komeito | |
| 鉛公害 | なまりこうがい | lead pollution | |
| 霍公鳥 | ホトトギス | lesser cuckoo (Cuculus poliocephalus) | |
| 鬼郭公 | おにかっこう | Asian koel (Eudynamys scolopacea) | |
| お礼奉公 | おれいぼうこう | free service after one has finished one's apprenticeship | |
| チョン公 | チョンこう | Korean | |
| 丁稚奉公 | でっちぼうこう | apprenticeship | |
| 七公三民 | しちこうさんみん | land-tax rate during the Edo period, in which the government took 70 percent of the year's crop and the farmers kept 30 percent | |
| 世界公民 | せかいこうみん | citizen of the world; world citizen | |
| 交通公社 | こうつうこうしゃ | (Japan) Travel Bureau | |
| 低公害車 | ていこうがいしゃ | low-emission vehicle | |
| 公にする | おおやけにする | to make public | |
| 公の施設 | おおやけのしせつ | public facility | |
| 公の秩序 | おおやけのちつじょ | public order; public policy | |
| 公会問答 | こうかいもんどう | catechism | |
| 公使館員 | こうしかんいん | legation; attache | |
| 公債市場 | こうさいいちば | bond market | |
| 公共の場 | こうきょうのば | public space; (in) public | |
| 公共哲学 | こうきょうてつがく | public philosophy | |
| 公共支出 | こうきょうししゅつ | public expenditure; public outlay; public spending | |
| 公共組合 | こうきょうくみあい | public partnership; public corporation | |
| 公共部門 | こうきょうぶもん | public sector | |
| 公判日程 | こうはんにってい | trial schedule | |
| 公判準備 | こうはんじゅんび | pretrial preparation; trial preparation | |
| 公判記録 | こうはんきろく | complete trial record; case file | |
| 公判調書 | こうはんちょうしょ | trial record; protocol of a trial | |
| 公判闘争 | こうはんとうそう | court battle | |
| 公務疾病 | こうむしっぺい | sickness incurred in line of duty | |
| 公募割れ | こうぼわれ | trade below the public offering price during a float | |
| 公同書簡 | こうどうしょかん | General Epistles (James, Peter, Jude, John); Catholic Epistles; General Letters | |
| 公営保険 | こうえいほけん | public insurance | |
| 公園道路 | こうえんどうろ | parkway; road through a park | |
| 公定地価 | こうていちか | assessed value of land | |
| 公定相場 | こうていそうば | ceiling price; official quotation | |
| 公害物質 | こうがいぶっしつ | pollutant | |
| 公平政策 | こうへいせいさく | fair deal | |
| 公平無私 | こうへいむし | impartiality; fair play | |
| 公式主義 | こうしきしゅぎ | formalism | |
| 公式参拝 | こうしきさんぱい | official visit to a shrine (or temple) | |
| 公教要理 | こうきょうようり | Catholic catechism | |
| 公敵一号 | こうてきいちごう | public enemy No. 1 | |
| 公欠届け | こうけつとどけ | absence permission slip | |
| 公民教育 | こうみんきょういく | civic education; citizenship education | |
| 公民権法 | こうみんけんほう | Civil Rights Act (US) | |
| 公民生活 | こうみんせいかつ | national life; civic life | |
| 公然猥褻 | こうぜんわいせつ | public indecency; indecent exposure | |
| 公用収用 | こうようしゅうよう | eminent domain; official expropriation | |
| 公用言語 | こうようげんご | official language | |
| 公的債務 | こうてきさいむ | sovereign debt | |
| 公的資金 | こうてきしきん | public funds; public money | |
| 公益優先 | こうえきゆうせん | public interest first | |
| 公租公課 | こうそこうか | taxes and public dues | |
| 公称資本 | こうしょうしほん | authorized capital; authorised capital | |