| 同じ | おなじ | same; identical; equal; alike | n5 |
| 同時に | どうじに | at the same time; at once; simultaneously; concurrently | |
| 同様 | どうよう | same; similar; (just) like; equal | n3 |
| 共同 | きょうどう | cooperation; collaboration; association; partnership | n2 |
| 同じく | おなじく | in the same way; like; likewise; similarly | n3 |
| 共同声明 | きょうどうせいめい | joint declaration | |
| 同情 | どうじょう | sympathy; compassion; pity | n2 |
| 同 | どう | the same; the said; likewise | n1 |
| 同士 | どうし | fellow; mutual; companion; comrade | n2 |
| 一同 | いちどう | all present; all concerned; all of us | |
| 同意 | どうい | agreement; consent; approval; assent | n2 |
| 同志 | どうし | like-mindedness; (being of the) same mind; shared sentiment; comrade | n1 |
| 同一 | どういつ | identical; same; one and the same; equal | n2 |
| 同行 | どうこう | accompanying (someone); going with; travelling together; the same bank | n1 |
| 同様に | どうように | identically; in the (exact) same way; similarly | |
| 同年 | どうねん | that year; same year; same age | |
| 同僚 | どうりょう | coworker; co-worker; colleague; associate | n2 |
| 混同 | こんどう | confusion; mixing; merger | n1 |
| 同義語 | どうぎご | synonym | |
| 同居 | どうきょ | living together; coexistence | n2 |
| 同時 | どうじ | same time; simultaneous; concurrent; synchronous | n3 |
| 同盟 | どうめい | alliance; union; league | |
| 同感 | どうかん | same feeling; same sentiment; same opinion; sympathy | |
| 同人 | どうじん | same person; said person; the person in question; coterie | |
| 同伴 | どうはん | accompanying; being accompanied by; going with | n1 |
| 同胞 | どうほう | brethren; brothers; fellow countrymen; fellowman | |
| 同等 | どうとう | equality; equal; same rights; same rank | n2 |
| 同棲 | どうせい | cohabitation (esp. of an unmarried couple); living together | |
| 合同 | ごうどう | combination; union; joining; incorporation | n2 |
| 同心 | どうしん | concentricity; same mind; unanimity; policeman | |
| 同然 | どうぜん | just like; (virtually) no different from; (almost) the same as; as good as (e.g. dead, settled) | n1 |
| 同氏 | どうし | the said person; he; she; same surname | n2 |
| 同日 | どうじつ | the same day | n2 |
| 同級生 | どうきゅうせい | classmate | n3 |
| 同類 | どうるい | the same kind; accomplice; partner | n1 |
| 同義 | どうぎ | same meaning; synonymy | n1 |
| 同化 | どうか | assimilation; absorption; adaptation; assimilation | n1 |
| 同社 | どうしゃ | the same company; the said firm; the same (Shinto) shrine; the said shrine | |
| 同期 | どうき | same period; corresponding period; same year (of graduation, entering a company, etc.); contemporary | n1 |
| 同郷 | どうきょう | (being from the) same town (province, birthplace, etc.) | n2 |
| 同席 | どうせき | being present (at the same meeting, occasion, etc.); attendance (with); sitting with; sitting next to | n3 |
| 協同 | きょうどう | cooperation; collaboration; association; partnership | n2 |
| 同国 | どうこく | same country; same province; the (said) country | |
| 同君 | どうくん | the person heretofore mentioned; that person | |
| 同道 | どうどう | going with; accompanying | n1 |
| 同勢 | どうぜい | party; company | |
| 同名 | どうめい | same name; homonym | |
| 同乗 | どうじょう | riding together; riding with | n2 |
| 同種 | どうしゅ | same kind; same sort; same species; same race | |
| 賛同 | さんどう | approval; endorsement | n1 |
| 同性 | どうせい | same sex | |
| 同窓 | どうそう | being a graduate of the same school; person who went to the same school; fellow alumnus | |
| 同族 | どうぞく | same family (race, tribe) | |
| 同音異義 | どうおんいぎ | homophony (having the same pronunciation as another word but a different meaning); homonymy | |
| 同級 | どうきゅう | the same grade; same class | |
| 同法 | どうほう | same law; the (said) law; same method; the (said) method | |
| 同輩 | どうはい | fellows; comrade; colleague; one's equal | |
| 同宿 | どうしゅく | lodging in the same place | |
| 同業 | どうぎょう | same trade; same business; same profession | |
| 異口同音 | いくどうおん | (saying) with one voice; unanimously; in chorus; in unison | |
| 同音 | どうおん | homophony; same pronunciation; same sound; unison | |
| 同月 | どうげつ | the same month | |
| 共同体 | きょうどうたい | cooperative body; cooperative system; collective; community | |
| 大同小異 | だいどうしょうい | essentially the same with only minor differences | |
| 同室 | どうしつ | same room; sharing a room; occupying the same room | n1 |
| 同格 | どうかく | the same rank; equality; apposition | |
| 同車 | どうしゃ | riding in the same car; same car | |
| 同年輩 | どうねんぱい | persons of the same age | |
| 同書 | どうしょ | the same book; the said book; ibid. | |
| 異同 | いどう | difference | n3 |
| 同列 | どうれつ | same row; same line; same file; same rank | n1 |
| 同上 | どうじょう | same as above; ditto; ibid. | n2 |
| 同地 | どうち | the same place; that place | |
| 同工異曲 | どうこういきょく | equal workmanship but different style | |
| 同時期 | どうじき | same time (period) | |
| 和光同塵 | わこうどうじん | mingling with the world by hiding one's true talent or knowledge; living a quiet life by effacing oneself | |
| 同調 | どうちょう | conformity; alignment; agreement; sympathy | n1 |
| 同い年 | おないどし | the same age | |
| 同封 | どうふう | enclosing (e.g. with a letter) | n2 |
| 同好 | どうこう | similar tastes | n1 |
| 同体 | どうたい | as one flesh or body; simultaneously | n1 |
| 同夜 | どうや | the same night; that night | |
| 大同 | だいどう | general resemblance; being largely the same; uniting with a common goal; Daidō era (806.5.18-810.9.19) | |
| 同姓 | どうせい | same surname | |
| 同門 | どうもん | fellow student | |
| 雷同 | らいどう | following blindly | |
| 同人誌 | どうじんし | dōjinshi; magazine published by like-minded people; fanzine; zine | |
| 同役 | どうやく | colleague | |
| 同断 | どうだん | the same; ditto | |
| 同家 | どうけ | the said family; the same family | |
| 同病 | どうびょう | the same sickness | |
| 同所 | どうしょ | the same place; the same address; the said place | |
| 同腹 | どうふく | born of the same mother; kindred spirits | |
| 同型 | どうけい | same type; same model; same pattern; isomorphism | |
| 敵同士 | かたきどうし | mutual enemies | |
| 同船 | どうせん | the same ship; taking the same ship | |
| 同罪 | どうざい | same crime; being equally guilty; bearing the same amount of responsibility | |
| 同窓会 | どうそうかい | alumni association; graduates' association; alumni meeting; class reunion | n1 |
| 不同 | ふどう | difference; diversity; irregularity; disorder | |
| 同性愛 | どうせいあい | homosexuality; homosexual love | |
| 同質 | どうしつ | same quality; same nature; homogeneous | n1 |
| 同程度 | どうていど | same level; same extent | |
| 同数 | どうすう | same number | |
| 同梱 | どうこん | including (in a package); packing together with | |
| 同誌 | どうし | the same magazine; the same journal; the said magazine; the said journal | n2 |
| 同額 | どうがく | the same amount of money; the same sum; the same price | |
| 協同組合 | きょうどうくみあい | cooperative; association; partnership | |
| 同市 | どうし | same city | n2 |
| 同朋 | どうぼう | companions; fellows | |
| 同色 | どうしょく | same color; same colour | |
| 同座 | どうざ | sitting together; the same theater (theatre); involvement; entanglement | |
| 同村 | どうそん | same village; that village | |
| 同時代 | どうじだい | same age; same period | |
| 同権 | どうけん | the same rights; equal rights | |
| 同定 | どうてい | identifying (something as being the same as something else); identification (e.g. of a suspect) | n2 |
| 同文 | どうぶん | same text; same wording; same script; same language | |
| 同視 | どうし | treating alike | n2 |
| 同世代 | どうせだい | same generation; one's generation | |
| 期成同盟 | きせいどうめい | association formed to carry out an objective | |
| 同前 | どうぜん | same as above; ditto; ibid. | n1 |
| 共同生活 | きょうどうせいかつ | living together; communal life; cohabitation | |
| 同形 | どうけい | same shape; same form; isomorphism | |
| 同値 | どうち | (logical) equivalence | |
| 同一視 | どういつし | viewing and treating as one; regarding as the same; equating one thing with another; identification | |
| 同作 | どうさく | work by the same author (artist, etc.); work in the same style; same way of making | |
| 同窓生 | どうそうせい | graduate of the same school; fellow alumnus; (former) schoolmate | |
| 同志会 | どうしかい | association of kindred spirits | |
| 共同使用 | きょうどうしよう | joint use; communal use | |
| 合同会社 | ごうどうがいしゃ | gōdō gaisha; Japanese LLC; GK; form of business modeled after the American limited liability company | |
| 同居人 | どうきょにん | person living with a family; lodger; housemate; flatmate | |
| 会同 | かいどう | assembly; meeting | |
| 同左 | どうひだり | same as on the left; as stated before (in horizontal writing) | |
| 同大 | どうだい | something of the same size; the said university | |
| 付和雷同 | ふわらいどう | following blindly; following suit without reflection | |
| 不同意 | ふどうい | disagreement; disapproval; objection; dissent | |
| 同気 | どうき | same temperament; same turn of mind | n1 |
| 同業者 | どうぎょうしゃ | person in the same line of business; people in the same trade; the trade; the profession | |
| 同母 | どうぼ | same mother | |
| 同慶 | どうけい | matter for mutual congratulation | |
| 共同通信 | きょうどうつうしん | joint communications | |
| 同一人物 | どういつじんぶつ | the same person | |
| 同流 | どうりゅう | the same style; same school; common origin | |
| 同衾 | どうきん | sleeping together; sleeping with; sharing a bed | |
| 帯同 | たいどう | taking (someone) along | |
| 同位体 | どういたい | isotope | |
| 同年代 | どうねんだい | the same generation; coeval | |
| 同校 | どうこう | the same school; the said school | n1 |
| 同系 | どうけい | affiliated; akin | |
| 同行者 | どうこうしゃ | companion; comrade; escort; member of a party | |
| 共同開発 | きょうどうかいはつ | joint development | |
| 同志社大学 | どうししゃだいがく | Doshisha University | |
| 同量 | どうりょう | same amount | n2 |
| 同学 | どうがく | studying the same subject; studying at the same school; studying under the same teacher; schoolmate | |
| 同根 | どうこん | same root; same origin | |
| 同点 | どうてん | same score; deadlock; tie; draw | |
| 同期生 | どうきせい | classmate; graduates in the same class; wrestlers who began their professional careers in the same tournament | |
| 共同出資 | きょうどうしゅっし | joint investment | |
| 同好会 | どうこうかい | association of like-minded people | |
| 同心円 | どうしんえん | concentric circles | |
| 一視同仁 | いっしどうじん | loving every human being with impartiality; universal brotherhood; universal benevolence | |
| 同位 | どうい | the same rank; the same digit | n2 |
| 同町 | どうちょう | the same town; that town | n1 |
| 同源 | どうげん | same origin | |
| 同職 | どうしょく | the same occupation; the said occupation | |
| 同意書 | どういしょ | consent form; letter of consent | |
| 大同団結 | だいどうだんけつ | merger; (presenting a) united front | |
| 同じる | どうじる | to agree | n1 |
| 同一性 | どういつせい | identity | |
| 同曜日 | どうようび | same day (of the week) | |
| 同和 | どうわ | social integration (esp. of burakumin); assimilation; burakumin | n1 |
| 同名異人 | どうめいいじん | namesake; person with the same name | |
| 同紙 | どうし | the same newspaper | n2 |
| 同訓 | どうくん | kun homophone | |
| 恋人同士 | こいびとどうし | pair of lovers; couple | |
| 同属 | どうぞく | same sort; same kind; same genus; homologous | |
| 同率 | どうりつ | the same ratio or percentage | |
| 共同研究 | きょうどうけんきゅう | collaborative research; joint research | |
| 不同意性交等 | ふどういせいこうとう | non-consensual sexual intercourse | |
| 同憂 | どうゆう | sharing the same concern | |
| 同舟 | どうしゅう | shipmates; fellow passengers | |
| 共同代表 | きょうどうだいひょう | joint representative; joint representation | |
| 合同庁舎 | ごうどうちょうしゃ | government office-building complex | |
| 同性愛者 | どうせいあいしゃ | homosexual (person); gay person | |
| 同ずる | どうずる | to agree | |
| 非同期 | ひどうき | asynchronous | |
| 同局 | どうきょく | the said bureau (office, department, broadcasting station, channel, etc.); same bureau (office, department, broadcasting station, channel, etc.) | |
| 同店 | どうてん | the same store; the same shop | |
| 同乗者 | どうじょうしゃ | fellow passenger | |
| 同士討 | どうしうち | friendly fire; killing each other by mistake; internecine strife | |
| 同性婚 | どうせいこん | same-sex marriage; gay marriage | |
| 同性結婚 | どうせいけっこん | same-sex marriage; gay marriage | |
| 共同通信社 | きょうどうつうしんしゃ | Kyodo News Service | |
| 同意語 | どういご | synonym | |
| 順不同 | じゅんふどう | (listed in) no particular order; arbitrary order; random order | |
| 共同作業 | きょうどうさぎょう | group work | |
| 共同制作 | きょうどうせいさく | co-production; collaboration | |
| 呉越同舟 | ごえつどうしゅう | bitter enemies in the same boat; rivals finding themselves together by chance; strange bedfellows | |
| 非買同盟 | ひばいどうめい | boycott | |
| 農業協同組合 | のうぎょうきょうどうくみあい | agricultural cooperative | |
| 同省 | どうしょう | the said ministry; the same ministry | |
| 同盟罷業 | どうめいひぎょう | strike | |
| 同伴者 | どうはんしゃ | companion; fellow traveler (person who supports a group, movement, etc. without being a member); sympathizer | |
| 同年齢 | どうねんれい | of the same age; age-matched | |
| 偕老同穴 | かいろうどうけつ | happy life partnership; living faithfully together till death; Venus's flower basket (Euplectella aspergillum) | |
| 共同浴場 | きょうどうよくじょう | public bath; communal bath; public bath or hot springs maintained by the local community and free or low fee | |
| 同心円状 | どうしんえんじょう | concentric | |
| 同業他社 | どうぎょうたしゃ | other companies in the same business; rival firms | |
| 同中 | おなちゅう | student at the same middle school; graduate of the same middle school | |
| 同線 | どうせん | the said line; the same line | |
| 協同体 | きょうどうたい | cooperative body; cooperative system; collective; community | |
| 隣同士 | となりどうし | next-door neighbors; (living, sitting) next to each other | |
| 同レベル | どうレベル | same level; same degree | |
| 同県 | どうけん | the same prefecture; the said prefecture | |
| 胡同 | フートン | hutong (narrow street or alley in a traditional residential area of a Chinese city, esp. Beijing) | |
| 同時刻 | どうじこく | same time | |
| 異曲同工 | いきょくどうこう | different in appearance but essentially the same in content; equal in skills or workmanship but different in style or artistic flavor; the same for all practical purposes | |
| 同房 | どうぼう | same room; sharing a room; sharers of a room; same prison cell | |
| 同軸 | どうじく | same axle; coaxial (cable) | |
| 労働同盟 | ろうどうどうめい | labor federation; labour federation | |
| 同君連合 | どうくんれんごう | alliance of two or more countries under one monarch | |
| 同士打ち | どうしうち | friendly fire; killing each other by mistake; internecine strife | |
| 同派 | どうは | same sect; same faction | |
| 類同 | るいどう | similar; of the same type | |
| 同盟国 | どうめいこく | allied nation; ally; Central Powers (in WWI) | |
| 同類項 | どうるいこう | like terms; similar terms; same kind; same class | |
| 共同体主義 | きょうどうたいしゅぎ | communitarianism | |
| 同右 | どうみぎ | same as on the right; as stated before (in vertical writing) | |
| 同担 | どうたん | someone who supports the same member (of an idol group, etc.) as oneself | |
| 同相 | どうそう | the said (cabinet) minister; in-phase (component of a wave); homeomorphism | |
| 同署 | どうしょ | the (above-mentioned) authorities; police (from said station) | |
| 同期的 | どうきてき | synchronous | |
| 共同宣言 | きょうどうせんげん | joint declaration | |
| 前年同期 | ぜんねんどうき | year-before period; corresponding period of previous year; same period a year ago | |
| 合同酒精 | ごうどうしゅせい | Godo Shusei Co. Ltd.; Goudou Shusei | |
| 異字同訓 | いじどうくん | (words with) different kanji but the same Japanese reading (and usu. a similar meaning) | |
| 経済同友会 | けいざいどうゆうかい | Japan Association of Corporate Executives | |
| 生活協同組合 | せいかつきょうどうくみあい | consumers' cooperative; cooperative; co-op; cooperative association | |
| 同志社女子大学 | どうししゃじょしだいがく | Doushisha Women's University | |
| 同接 | どうせつ | concurrent connections; simultaneous connections | |
| 同韻 | どういん | same rhyme; rhyming | |
| 同居者 | どうきょしゃ | coinhabitant; cohabitant | |
| 同盟者 | どうめいしゃ | ally; confederate | |
| 性同一性 | せいどういつせい | gender identity | |
| 同着 | どうちゃく | arriving at the same moment | |
| 同筆 | どうひつ | the same handwriting | |
| 準同型 | じゅんどうけい | homomorphism | |
| 男同士 | おとこどうし | fellow men; between men; among men; man-to-man | |
| 三国同盟 | さんごくどうめい | triple alliance | |
| 同業組合 | どうぎょうくみあい | trade association; craft; guild | |
| 同訓異字 | どうくんいじ | (words with) different kanji but the same Japanese reading (and usu. a similar meaning) | |
| 軍事同盟 | ぐんじどうめい | military alliance | |
| 同党 | どうとう | same (political) party; the said party | n2 |
| 玄同 | げんどう | hiding one's intelligence to avoid being different from the common people | n1 |
| 同母姉 | どうぼし | sisters of the same mother; uterine sisters | |
| 一心同体 | いっしんどうたい | being one in body and soul; of one flesh; two hearts beating as one | |
| 不買同盟 | ふばいどうめい | boycott; buyer's strike | |
| 党同伐異 | とうどうばつい | narrow partisanship | |
| 共同住宅 | きょうどうじゅうたく | apartment house; residential complex | |
| 共同参画 | きょうどうさんかく | equality (e.g. gender); joint participation; multi-agency | |
| 共同親権 | きょうどうしんけん | joint custody; shared parental rights; joint parental authority | |
| 同調圧力 | どうちょうあつりょく | pressure to conform; peer pressure; peer group pressure; group pressure | |
| 村落共同体 | そんらくきょうどうたい | village community | |
| 同区 | どうく | same ward | |
| 同案 | どうあん | same plan; same idea; that plan; that idea | |
| 同一人 | どういつにん | the same person | |
| 同一化 | どういつか | identification (with) | |
| 同席者 | どうせきしゃ | companion; fellow attendee; person sitting next to one | |
| 同素体 | どうそたい | allotrope | |
| 同部屋 | どうべや | wrestlers from the same stable | |
| 共同購入 | きょうどうこうにゅう | cooperative buying; group buying; joint purchase | |
| 同人雑誌 | どうじんざっし | magazine published by like-minded people; fanzine; zine | |
| 同化政策 | どうかせいさく | assimilation policy | |
| 同盟関係 | どうめいかんけい | alliance; state of alliance | |
| 同種同文 | どうしゅどうぶん | same race and same language | |
| 和同開珎 | わどうかいちん | wadō kaichin; Japan's first circulated coinage (minted in 708 CE) | |
| 学生同士 | がくせいどうし | fellow students | |
| 性的同意 | せいてきどうい | sexual consent; consent to have sex | |
| 社員同士 | しゃいんどうし | one's fellow workers; fellow employees | |
| 同人ゲーム | どうじんゲーム | video game produced by hobbyists; fangame; doujin game | |
| 同字 | どうじ | the same character | n3 |
| 同甲 | どうこう | same age | n1 |
| 同学年 | どうがくねん | same year in school | |
| 同意見 | どういけん | the same opinion | |
| 同音語 | どうおんご | homophone | |
| 仲間同士 | なかまどうし | peers; friends; fellow workers; comrades | |
| 共同正犯 | きょうどうせいはん | crime committed together by two or more people (in which each is known as a co-principal) | |
| 合同会議 | ごうどうかいぎ | joint session | |
| 同値関係 | どうちかんけい | equivalence relation | |
| 同和問題 | どうわもんだい | issue of social integration of Burakumin; Burakumin issue; Buraku issue | |
| 同和地区 | どうわちく | assimilation district; area targeted for antidiscrimination measures; burakumin area | |
| 同意年齢 | どういねんれい | age of consent | |
| 男女同権 | だんじょどうけん | equal rights among men and women | |
| 不同意性交 | ふどういせいこう | non-consensual sexual intercourse | |
| 共同企業体 | きょうどうきぎょうたい | joint venture; consortium; JV | |
| 同異 | どうい | similarities and differences | n2 |
| 同庁 | どうちょう | the same agency; the same office | n1 |
| 同小 | どうしょう | the same elementary school; student at the same elementary school; graduate of the same elementary school | |
| 同治 | どうち | Dongzhi era (of emperor Muzong of Qing; 1861-1875) | |
| 同生 | どうせい | sibling | |
| 同祖 | どうそ | common ancestry; sharing a common ancestor | |
| 同説 | どうせつ | the same opinion | |
| 同情心 | どうじょうしん | sympathy; compassion | |
| 同族体 | どうぞくたい | homologue; homolog | |
| 同時間 | どうじかん | same time (of day) | |
| 同父母 | どうふぼ | the same parents | |
| 同系色 | どうけいしょく | similar color; similar colour | |
| 同調者 | どうちょうしゃ | sympathizer; sympathiser; fellow traveler; fellow traveller | |
| 人間同士 | にんげんどうし | mankind; the human creature; fellow creatures | |
| 共同社会 | きょうどうしゃかい | communal society; community | |
| 共同組合 | きょうどうくみあい | cooperative; association; partnership | |
| 共同経営 | きょうどうけいえい | joint management | |
| 共同運行 | きょうどううんこう | code-sharing (e.g. airlines); joint operation | |
| 同和教育 | どうわきょういく | social integration education; education to eliminate discrimination (e.g. against burakumin) | |
| 家族同然 | かぞくどうぜん | like a part of the family | |
| 新品同様 | しんぴんどうよう | as good as new | |
| 合同委員会 | ごうどういいんかい | joint committee | |
| 同じ穴の狢 | おなじあなのむじな | (villains) of the same stripe; birds of a feather; badgers of the same hole | |
| 自己同一性 | じこどういつせい | self-identity | |
| 同機 | どうき | the same aircraft; the said aircraft | n1 |
| 同父 | どうふ | same father | |
| 同語 | どうご | same word | |
| 同一律 | どういつりつ | law of identity; principle of identity | |
| 同志国 | どうしこく | like-minded country | |
| 同時性 | どうじせい | simultaneity | |
| 同田貫 | どうたぬき | Dōtanuki school (Muromachi-period swordsmithing school); sword of the Dōtanuki school (usually thicker and heavier than regular Japanese swords); heavy sword | |
| 同質的 | どうしつてき | homogeneous | |
| 同郷人 | どうきょうじん | person from the same province, town, village, etc. | |
| 女同士 | おんなどうし | fellow women; between women; among women; woman-to-woman | |
| 非同盟 | ひどうめい | non-alignment; nonalignment | |
| 共同事業 | きょうどうじぎょう | joint enterprise; joint venture | |
| 共同幻想 | きょうどうげんそう | collective illusion; shared fantasy | |
| 共同新聞 | きょうどうしんぶん | Kyōdō Shimbun | |
| 共同監督 | きょうどうかんとく | co-director | |
| 共同運航 | きょうどううんこう | code-sharing (e.g. airlines); joint operation | |
| 共同防衛 | きょうどうぼうえい | joint defense; joint defence | |
| 同人作家 | どうじんさっか | dōjin writer; fanfiction writer; fan-based writer; coterie author | |
| 同床異夢 | どうしょういむ | cohabiting but living in different worlds | |
| 同意殺人 | どういさつじん | consensual homicide; murder with consent of the victim | |
| 同時接続 | どうじせつぞく | concurrent connections; simultaneous connections | |
| 同時放送 | どうじほうそう | simulcast | |
| 同時通訳 | どうじつうやく | simultaneous interpretation; simultaneous interpreting; simultaneous interpreter | |
| 同盟休校 | どうめいきゅうこう | student strike | |
| 同音異字 | どうおんいじ | homophony (having the same pronunciation as another word but a different written form); heterography | |
| 共同創業者 | きょうどうそうぎょうしゃ | co-founder | |
| 合同慰霊祭 | ごうどういれいさい | joint service for the war dead | |
| 欧州共同体 | おうしゅうきょうどうたい | European Community; EC | |
| 運命共同体 | うんめいきょうどうたい | sharing a common destiny; sitting in the same boat | |
| 同藩 | どうはん | the same domain; the same province | n1 |
| 同信 | どうしん | the same faith | |
| 同宗 | どうしゅう | the same sect | |
| 同録 | どうろく | simultaneous recording (of image and sound) | |
| 共同溝 | きょうどうこう | multipurpose underground utility conduit | |
| 半同棲 | はんどうせい | almost living together; spending most nights with one's partner | |
| 合同葬 | ごうどうそう | group funeral; mass funeral; single funeral service held for several people | |
| 同せい | どうせい | cohabitation (esp. of an unmarried couple); living together | |
| 同クラ | おなクラ | same class (at school) | |
| 同値類 | どうちるい | equivalence class | |
| 同国人 | どうこくじん | fellow countryman; compatriot; person from the same province; person from said country | |
| 同国民 | どうこくみん | fellow countrymen | |
| 同好者 | どうこうしゃ | people of similar tastes | |
| 同封物 | どうふうぶつ | enclosure (in an envelope, letter, etc.) | |
| 同情者 | どうじょうしゃ | sympathizer; sympathiser | |
| 同意味 | どういみ | same meaning | |
| 同意義 | どういぎ | the same meaning | |
| 同日付 | どうじつづけ | the same day (as the referenced date); same date | |
| 同期会 | どうきかい | class reunion | |
| 同盟軍 | どうめいぐん | allied armies | |
| 同距離 | どうきょり | same distance; equal distance | |
| 賛同者 | さんどうしゃ | advocate; proponent; supporter | |
| 一味同心 | いちみどうしん | (people) working together with one mind | |
| 任意同行 | にんいどうこう | going along voluntarily to be questioned by police | |
| 企業合同 | きぎょうごうどう | (a) trust | |
| 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 | |
| 共同便所 | きょうどうべんじょ | public lavatory; sexually promiscuous woman | |
| 共同戦線 | きょうどうせんせん | common front; united front | |
| 共同提出 | きょうどうていしゅつ | joint sponsorship (of a bill, etc.); joint submission | |
| 共同相続 | きょうどうそうぞく | joint inheritance | |
| 共同租界 | きょうどうそかい | foreign concession jointly administered by multiple countries (in China; e.g. the Shanghai International Settlement) | |
| 共同計算 | きょうどうけいさん | pooling; joint account | |
| 共同販売 | きょうどうはんばい | joint marketing; cooperative selling | |
| 同一平面 | どういつへいめん | same plane; same level; flush (with); even (with) | |
| 同位元素 | どういげんそ | isotope | |
| 同姓同名 | どうせいどうめい | having the same family name and given name (as someone else) | |
| 同意能力 | どういのうりょく | capacity to consent | |
| 同日付け | どうじつづけ | the same day (as the referenced date); same date | |
| 同時多発 | どうじたはつ | occurring at the same time in different places (e.g. terrorist attacks) | |
| 同朋大学 | どうほうだいがく | Doho University | |
| 同期軌道 | どうききどう | geosynchronous orbit | |
| 同点決勝 | どうてんけっしょう | play-off | |
| 同胞融和 | どうほうゆうわ | movement to end discrimination against Burakumin | |
| 和衷協同 | わちゅうきょうどう | harmonious cooperation; close cooperation | |
| 産学協同 | さんがくきょうどう | industry-university cooperation | |
| 異体同心 | いたいどうしん | being of one mind; acting in one accord; behaving in perfect harmony | |
| 異名同音 | いめいどうおん | enharmonic | |
| 薩長同盟 | さっちょうどうめい | Satchō Alliance; 1866 alliance between the feudal domains of Satsuma and Chōshū | |
| 薬食同源 | やくしょくどうげん | proper diet and Chinese herbal medicine share the same principles | |
| 貨幣同盟 | かへいどうめい | monetary union | |
| 通貨同盟 | つうかどうめい | monetary union | |
| 雌雄同体 | しゆうどうたい | hermaphroditism | |
| 共同使用駅 | きょうどうしようえき | union station; joint station | |
| 合同結婚式 | ごうどうけっこんしき | mass wedding; collective wedding | |
| 同価 | どうか | equivalent | n5 |
| 同事 | どうじ | the same event; no change (on the stock market) | n3 |
| 同委 | どうい | the same committee; the same commission; the said committee; the said commission | n2 |
| 新同 | しんどう | as good as new | n2 |
| 同庚 | どうこう | same age | n1 |
| 同じみ | おなじみ | familiar; well-known; regular (e.g. customer); favourite | n1 |
| 同仁 | どうじん | universal benevolence | |
| 同侶 | どうりょ | companion; friend | |
| 同処 | どうしょ | the same place; the same address; the said place | |
| 同刻 | どうこく | same time; same moment | |
| 同労 | どうろう | working together | |
| 同原 | どうげん | same origin | |
| 同坐 | どうざ | sitting together; the same theater (theatre); involvement; entanglement | |
| 同報 | どうほう | broadcast | |
| 同州 | どうしゅう | the same state; the said state | |
| 同穴 | どうけつ | being buried in the same grave | |
| 同送 | どうそう | shipped together; sent at the same time | |
| 同通 | どうつう | simultaneous interpretation | |
| 同邦 | どうほう | the same country | |
| 激同 | はげどう | I strongly agree | |
| 相同 | そうどう | homology | |
| 禿同 | はげどう | I strongly agree | |
| 不同化 | ふどうか | nonassimilation | |
| 仇同士 | かたきどうし | mutual enemies | |
| 共同性 | きょうどうせい | cooperation | |
| 共同栓 | きょうどうせん | communal tap | |
| 共同浴 | きょうどうよく | public bathing; public bath | |
| 共同湯 | きょうどうゆ | public bath; communal bath | |
| 共同線 | きょうどうせん | party line | |
| 共同者 | きょうどうしゃ | coworker | |
| 合同式 | ごうどうしき | congruence equation | |
| 合同軍 | ごうどうぐん | combined armies | |
| 同い歳 | おないどし | the same age | |
| 同じい | おなじい | same; identical; equal | |
| 同じ位 | おなじくらい | approximately the same | |
| 同じ年 | おなじとし | same age | |
| 同じ様 | おなじよう | similar | |
| 同ポジ | どうポジ | shots taken with camera in the same position | |
| 同人種 | どうじんしゅ | racial identity; same race | |
| 同位列 | どういれつ | array | |
| 同位者 | どういしゃ | person of the same rank or position | |
| 同位角 | どういかく | corresponding angles | |
| 同位面 | どういめん | isosurface | |
| 同体に | どうたいに | as one; together | |
| 同値性 | どうちせい | equivalency; equivalency property | |
| 同分母 | どうぶんぼ | common denominator | |
| 同労者 | どうろうしゃ | fellow worker | |
| 同圧線 | どうあつせん | isobar; isopiestic line | |
| 同士愛 | どうしあい | affection among kindred spirits; bonding; fellow feeling | |
| 同士打 | どうしうち | friendly fire; killing each other by mistake; internecine strife | |
| 同室者 | どうしつしゃ | roommate; person sharing a room; flatmate | |
| 同志愛 | どうしあい | affection among kindred spirits; bonding; fellow feeling | |
| 同志的 | どうしてき | companionable | |
| 同情票 | どうじょうひょう | sympathy vote | |
| 同房者 | どうぼうしゃ | cellmate | |
| 同所性 | どうしょせい | sympatry | |
| 同族会 | どうぞくかい | family council; family company | |
| 同族列 | どうぞくれつ | homologous series | |
| 同日着 | どうじつちゃく | same-day arrival | |
| 同期元 | どうきもと | synchronization source | |
| 同期先 | どうきさき | synchronization destination | |
| 同期化 | どうきか | synchronization | |
| 同期式 | どうきしき | synchronization; synchronisation | |
| 同根語 | どうこんご | cognate | |
| 同構え | どうがまえ | kanji radical 13 ("upside-down box") | |
| 同歯性 | どうしせい | homodont | |
| 同焦点 | どうしょうてん | parfocal (e.g. lens) | |
| 同符号 | どうふごう | (of) matching sign; (having a) matching sign | |
| 同系語 | どうけいご | cognate language | |
| 同義名 | どうぎめい | synonymous name; synonym | |
| 同義性 | どうぎせい | synonymy; synonymity | |
| 同翅類 | どうしるい | homopterans (true bugs of suborder Homoptera) | |
| 同胞愛 | どうほうあい | brotherly love | |
| 同腹仔 | どうふくし | litter (of animals); littermate | |
| 同腹子 | どうふくし | litter (of animals); littermate | |
| 同趣味 | どうしゅみ | the same interests | |
| 同重体 | どうじゅうたい | isobar | |
| 同韻語 | どういんご | rhyming word; rhyme | |
| 常同症 | じょうどうしょう | stereotypy | |
| 線同期 | せんどうき | line synchronization | |
| 自同律 | じどうりつ | law of identity; principle of identity | |
| 類同語 | るいどうご | analogue | |
| 一口同音 | いっくどうおん | reading in unison; saying the same thing | |
| 一色同順 | いっしょくどうじゅん | pure double chow; winning hand containing two identical chows (i.e. same numbers and same suit) | |
| 一視同人 | いっしどうじん | loving every human being with impartiality; universal brotherhood; universal benevolence | |
| 三帝同盟 | さんていどうめい | League of the Three Emperors (1873-1887) | |
| 三色同刻 | さんしょくどうこく | triple pung; winning hand containing the same pung in each of the three suits | |
| 三色同順 | さんしょくどうじゅん | triple run; winning hand containing the same chow in each of the three suits | |
| 不和雷同 | ふわらいどう | following blindly; following suit without reflection | |
| 以下同文 | いかどうぶん | same as above; same as in the previous certificate (document, etc.) | |
| 位相同型 | いそうどうけい | homeomorphism; topological equivalence | |
| 公同書簡 | こうどうしょかん | General Epistles (James, Peter, Jude, John); Catholic Epistles; General Letters | |
| 共同一致 | きょうどういっち | unanimous cooperation | |
| 共同井戸 | きょうどういど | common well | |
| 共同企業 | きょうどうきぎょう | joint venture | |
| 共同会見 | きょうどうかいけん | news conference | |
| 共同保険 | きょうどうほけん | co-insurance | |
| 共同募金 | きょうどうぼきん | community chest | |
| 共同因子 | きょうどういんし | cofactor | |