| 区別 | くべつ | distinction; differentiation; discrimination; difference | n3 |
| 区 | く | ward; borough; city (in Tokyo); district (e.g. electoral) | n2 |
| 地区 | ちく | district; area; zone; quarter | n1 |
| 区分 | くぶん | division; section; demarcation; partition | n2 |
| 区域 | くいき | area; zone; district; quarter | n1 |
| 区間 | くかん | section (of track, etc.); segment; dimension; interval | |
| 区切る | くぎる | to divide; to separate; to partition; to demarcate | n2 |
| 区画 | くかく | division; section; compartment; block | |
| 区切り | くぎり | pause (in speech, writing, etc.); punctuation; break; end | n2 |
| 区分け | くわけ | division; section; demarcation; (traffic) lane | |
| 港区 | みなとく | Minato City (special ward of Tokyo); Minato Ward (Osaka); Minato Ward (Nagoya) | |
| 区劃 | くかく | division; section; compartment; block | |
| 区々 | くく | various; varied; diverse; divergent | |
| 区役所 | くやくしょ | ward office; council (regional) | |
| 特別行政区 | とくべつぎょうせいく | special administrative region (of China; e.g. Hong Kong); SAR | |
| 区内 | くない | in a ward; within the ward; within the zone; within the district | |
| 南区 | みなみく | south district | |
| 選挙区 | せんきょく | electoral district; precinct | |
| 市区 | しく | municipal district; (area of) streets; city and wards | n2 |
| 市区町村 | しくちょうそん | local governments; cities, wards, towns and villages; municipalities | |
| 教区 | きょうく | parish | |
| 管区 | かんく | jurisdiction | |
| 区長 | くちょう | head of a ward; mayor of a ward; chief administrator of a ward | |
| 市区郡 | しくぐん | cities, wards and districts | |
| 一区切り | ひとくぎり | break; pause; halt; (temporary) stop | |
| 区立 | くりつ | established by a ward; ward; municipal | |
| 学区 | がっく | school district; school area | |
| 区民 | くみん | ward residents | |
| 特別区 | とくべつく | special ward; administrative subdivision of a prefecture that has a directly elected mayor and assembly; special economic zone (in China); special administrative region of China (e.g. Hong Kong) | |
| 区切 | くぎり | pause (in speech, writing, etc.); punctuation; break; end | n2 |
| 自治区 | じちく | territory; autonomous region | |
| 行政区画 | ぎょうせいくかく | administrative district | |
| 特区 | とっく | special ward; special economic zone (China); special administrative region of China (e.g. Hong Kong) | |
| 行政区 | ぎょうせいく | administrative district; ward | |
| 歴史地区 | れきしちく | historic district; historic center of a town | |
| 鉱区 | こうく | mining area; mine lot | |
| 街区 | がいく | block (of land) | |
| 全国区 | ぜんこくく | national constituency; nationwide publicity; being known all over the country | |
| 線区 | せんく | train line; bus line | |
| 区処 | くしょ | dividing for administrative purposes; partition; division | |
| 保護区 | ほごく | sanctuary; reserve (for wild animals); nature preserve | |
| 時代区分 | じだいくぶん | division of history into periods; periodization (in history) | |
| 区点 | くてん | Japanese character set row and column index | |
| 開区間 | かいくかん | open interval | |
| 都区 | とく | (the 23) wards of Tokyo | n3 |
| 区会 | くかい | ward assembly | |
| 分区 | ぶんく | subdistrict | |
| 閉区間 | へいくかん | closed interval | |
| 大司教区 | だいしきょうく | archdiocese | |
| 一区 | いっく | district; ward; lot | n2 |
| 保存地区 | ほぞんちく | conservation area; preserved area; preservation district | |
| 電車区 | でんしゃく | railcar depot; train depot | |
| 自然保護区 | しぜんほごく | nature reserve | |
| 激戦区 | げきせんく | closely contested constituency; highly competitive marketplace; battleground | |
| 中学校区 | ちゅうがっこうく | junior high school district | |
| 内モンゴル自治区 | うちモンゴルじちく | Inner Mongolia Autonomous Region (China) | |
| 漁区 | ぎょく | fishing ground; fishery | |
| 地方区 | ちほうく | prefectural constituency | |
| 居住区 | きょじゅうく | residential area; quarter; neighbourhood; neighborhood | |
| 区外 | くがい | outside (district, ward, borough, etc.) | |
| 信頼区間 | しんらいくかん | confidence interval | |
| 区分局 | くぶんきょく | (post office) sorting center | |
| 区画整理 | くかくせいり | land readjustment; town planning | |
| 社区 | しゃく | residential community (administrative district of the People's Republic of China) | |
| 市場区分 | しじょうくぶん | market segment | |
| 管理区域 | かんりくいき | controlled access location | |
| 警戒区域 | けいかいくいき | hazard area (flood, tsunami, etc.); danger zone; no man's land | |
| 赤線区域 | あかせんくいき | red-light district | |
| 区名 | くめい | district name; ward name | |
| 西岸地区 | せいがんちく | West Bank | |
| 同区 | どうく | same ward | |
| 声区 | せいく | vocal register | |
| 区割り | くわり | demarcation; marking of boundaries | |
| 生物圏保護区 | せいぶつけんほごく | biosphere reserve (UNESCO) | |
| 区区 | くく | various; varied; diverse; divergent | |
| 区検 | くけん | local prosecutor | |
| 車掌区 | しゃしょうく | conductors' station (office) | |
| 同和地区 | どうわちく | assimilation district; area targeted for antidiscrimination measures; burakumin area | |
| 商業地区 | しょうぎょうちく | commercial district | |
| 教会管区 | きょうかいかんく | ecclesiastical province | |
| 立入禁止区域 | たちいりきんしくいき | no-trespassing area; restricted zone; no-go area | |
| 区議 | くぎ | ward assemblyman | n1 |
| 区営 | くえい | administered by a ward; operated by a ward; run by a ward; managed by a ward | |
| 工区 | こうく | construction area; section of a construction project | |
| 校区 | こうく | school district; school area | |
| 司教区 | しきょうく | diocese | |
| 学区制 | がっくせい | school district system | |
| 軍管区 | ぐんかんく | military district | |
| 文教地区 | ぶんきょうちく | school zone | |
| 航行区域 | こうこうくいき | regulated navigation area; navigation area; navigation zone | |
| 管区気象台 | かんくきしょうだい | district meteorological observatory | |
| オーストラリア区 | オーストラリアく | Australian (zoogeographical region) | |
| 区議会 | くぎかい | ward council | |
| 東洋区 | とうようく | Oriental (zoogeographical region) | |
| 禁漁区 | きんりょうく | game preserve; wildlife sanctuary | |
| 禁猟区 | きんりょうく | game preserve; wildlife sanctuary | |
| 区裁判所 | くさいばんしょ | local court | |
| 区間急行 | くかんきゅうこう | semi-express (train service); express service for part of a route | |
| 地区計画 | ちくけいかく | district plan; district planning | |
| 市区改正 | しくかいせい | shiku-kaisei city planning; city renewal that occurred in the Taisho and Meiji eras | |
| 経済特区 | けいざいとっく | special economic zone | |
| 美観地区 | びかんちく | aesthetic district (subject to planning restrictions); scenic zone | |
| 市街化区域 | しがいかくいき | area zoned for urbanization (urbanisation) | |
| 区系 | くけい | ecozone (biogeographical realm) | |
| 合区 | ごうく | merging of administrative or electoral districts | |
| 海区 | かいく | ocean sector | |
| 区分的 | くぶんてき | piecewise | |
| 区画線 | くがせん | carriageway marking; lane marker; compartment line; division line | |
| 機関区 | きかんく | locomotive depot; engine depot | |
| 解放区 | かいほうく | liberated area or zone | |
| 区間快速 | くかんかいそく | Regional Rapid Service (JR West); Section Rapid Service; train service which is local for one section and express for another | |
| 営業区域 | えいぎょうくいき | business zone (e.g. for taxis, buses, etc.); business domain; sales route | |
| 居住地区 | きょじゅうちく | residential area; quarter; neighbourhood; neighborhood | |
| 景観地区 | けいかんちく | landscape district (subject to planning restrictions) | |
| 通行区分 | つうこうくぶん | lane usage classification; traffic division | |
| ひと区切り | ひとくぎり | break; pause; halt; (temporary) stop | |
| 区分所有者 | くぶんしょゆうしゃ | unit owner (in a condominium or other multi-unit building) | |
| 市区町村名 | しくちょうそんめい | name of a city, ward, town or village | |
| 寧夏回族自治区 | ねいかかいぞくじちく | Ningxia Hui Autonomous Region (China) | |
| 羽区 | うく | pteryla; feather tract | n3 |
| 磁区 | じく | magnetic domain | n1 |
| 区快 | くかい | Regional Rapid Service (JR West); Section Rapid Service | |
| 区政 | くせい | ward management; ward administration | |
| 区費 | くひ | ward expenses | |
| 区道 | くどう | ward road; special ward road | |
| 区部 | くぶ | ward area (of Tokyo); 23 special wards | |
| 戦区 | せんく | theater of war (theatre); sector | |
| 猟区 | りょうく | hunting area; hunting zone | |
| 一人区 | ひとりく | single-seat constituency; single-seat electoral district | |
| 一区切 | ひとくぎり | break; pause; halt; (temporary) stop | |
| 保線区 | ほせんく | section of track | |
| 全北区 | ぜんほっく | Holarctic (region) | |
| 動物区 | どうぶつく | zoogeographical region | |
| 区外者 | くがいしゃ | non-resident (of a ward, district, city, etc.) | |
| 区民税 | くみんぜい | ward tax | |
| 区民館 | くみんかん | municipal community centre; ward residents hall | |
| 区画図 | くかくず | cadastral map; plat map; plat; lot map | |
| 区間賞 | くかんしょう | prize for a single stage of a relay race | |
| 対照区 | たいしょうく | control group (in an experiment) | |
| 居留区 | きょりゅうく | population centre | |
| 市轄区 | しかつく | district (esp. in mainland China and Taiwan) | |
| 投票区 | とうひょうく | polling or voting district | |
| 教区民 | きょうくみん | parishioner | |
| 新北区 | しんほっく | Nearctic (region) | |
| 旧北区 | きゅうほっく | Palearctic (region); Palaearctic | |
| 比例区 | ひれいく | proportionally represented constituency | |
| 無風区 | むふうく | safe electoral seat; safe electorate | |
| 空白区 | くうはくく | vacant constituency | |
| 財産区 | ざいさんく | property ward; special local public body which has its own property, etc. and bears the expenses for it | |
| 郵便区 | ゆうびんく | postal delivery zone; postal zone | |
| 1人区 | ひとりく | single-seat constituency; single-seat electoral district | |
| ガザ地区 | ガザちく | Gaza Strip | |
| 下区動脈 | かくどうみゃく | inferior segmental artery | |
| 中選挙区 | ちゅうせんきょく | small multiple-member electoral district | |
| 住宅地区 | じゅうたくちく | residential district | |
| 共産地区 | きょうさんちく | communist area | |
| 出漁区域 | しゅつぎょくいき | fishing area | |
| 制限区域 | せいげんくいき | restricted area; security area | |
| 労働者区 | ろうどうしゃく | workers' district (in North Korea) | |
| 区きり子 | くきりし | delimiter | |
| 区の財政 | くのざいせい | ward finances | |
| 区会議員 | くかいぎいん | ward assemblyman | |
| 区分建物 | くぶんたてもの | building consisting of individually owned units, shops, etc.; strata title building; sectional title complex; condominium | |
| 区分番号 | くぶんばんごう | segment-number | |
| 区切り子 | くぎりし | delimiter | |
| 区切り点 | くぎりてん | breakpoint | |
| 区別立て | くべつだて | differentiation; discrimination; distinction | |
| 区劃整理 | くかくせいり | land readjustment; town planning | |
| 区市町村 | くしちょうそん | local governments; wards, cities, towns and villages; municipalities | |
| 区検察庁 | くけんさつちょう | local public prosecutor's office; subdistrict public prosecutor's office | |
| 区画漁業 | くかくぎょぎょう | demarcated fishing; fishing in specifically sectioned areas of water | |
| 区間列車 | くかんれっしゃ | local train | |
| 区間特急 | くかんとっきゅう | regional express | |
| 取引区分 | とりひきくぶん | transaction classification; transaction type | |
| 地区検事 | ちくけんじ | district attorney (US) | |
| 小学校区 | しょうがっこうく | primary school district; elementary school district | |
| 小選挙区 | しょうせんきょく | small electoral district; single-member constituency | |
| 工業地区 | こうぎょうちく | industrial zone | |
| 性の区別 | せいのくべつ | distinction of the sexes | |
| 戦災地区 | せんさいちく | war-devastated area | |
| 教区学校 | きょうくがっこう | parochial school; church school | |
| 新熱帯区 | しんねったいく | Neotropical (region); Neotropics | |
| 旧熱帯区 | きゅうねったいく | Paleotropical (region) | |
| 植物区系 | しょくぶつくけい | phytogeographical region; floristic kingdom | |
| 港区女子 | みなとくじょし | Minato girl (young woman who likes spending time in fancy neighbourhoods) | |
| 禁煙区域 | きんえんくいき | no smoking area | |
| 複素区間 | ふくそくかん | complex interval | |
| 連邦管区 | れんぽうかんく | federal district (esp. in Russia) | |
| 部隊区分 | ぶたいくぶん | task organization; task organisation | |
| 青線区域 | あおせんくいき | area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line; 1940s-1956) | |
| 風致地区 | ふうちちく | scenic area (subject to planning restrictions); nature preservation area; area of scenic beauty | |
| タブ区切り | タブくぎり | tab delimited | |
| マーク区間 | マークくかん | marked section | |
| 中選挙区制 | ちゅうせんきょくせい | (Japanese) electoral system allowing for the election of from 3 to 5 candidates from one district | |
| 動物地理区 | どうぶつちりく | zoogeographical region | |
| 区分所有権 | くぶんしょゆうけん | unit ownership (in a condominium or other multi-unit building); unit ownership rights | |
| 区分求積法 | くぶんきゅうせきほう | Riemann sum | |
| 区分編成法 | くぶんへんせいほう | BPAM; Basic Partitioned Access Method | |
| 区切り文字 | くぎりもじ | delimiter | |
| 区切り記号 | くぎりきごう | delimiter; separator | |
| 区別がつく | くべつがつく | to tell X from Y; to distinguish; to know (one thing) from (another) | |
| 区別が付く | くべつがつく | to tell X from Y; to distinguish; to know (one thing) from (another) | |
| 区別せずに | くべつせずに | without distinction; with no distinction | |
| 区点コード | くてんコード | KuTen code; matrix code system used in JIS character standards | |
| 区議会議員 | くぎかいぎいん | ward assemblyman; ward councillor | |
| 善悪の区別 | ぜんあくのくべつ | distinction between right and wrong; distinction between good and bad | |
| 大選挙区制 | だいせんきょくせい | electoral system allowing for the election of multiple candidates from one district; multi-member constituent electoral system | |
| 小選挙区制 | しょうせんきょくせい | single-seat constituency system | |
| 特別区民税 | とくべつくみんぜい | special ward tax | |
| 特別経済区 | とくべつけいざいく | special economic zone (China) | |
| 経済特別区 | けいざいとくべつく | special economic zone (China) | |
| 総合保税区 | そうごうほぜいく | general bonded zone (esp. in trade with China) | |
| 農用地区域 | のうようちくいき | area zoned for agricultural use | |
| 鉱区使用料 | こうくしようりょう | mining royalty | |
| 非線引区域 | ひせんびきくいき | area which has not been designated a zoning district | |
| 鳥獣保護区 | ちょうじゅうほごく | wildlife sanctuary; protection area for birds and wild animals | |
| エチオピア区 | エチオピアく | Ethiopian (zoogeographical region) | |
| テキスト区域 | テキストくいき | text extent | |
| ページ区切り | ページくぎり | page break | |
| 中心業務地区 | ちゅうしんぎょうむちく | central business district; CBD | |
| 人口集中地区 | じんこうしゅうちゅうちく | densely inhabited district | |
| 内蒙古自治区 | うちもうこじちく | Inner Mongolia Autonomous Region (China) | |
| 区オクテット | くオクテット | row octet | |
| 区分ファイル | くぶんファイル | partitioned file | |
| 区分所有建物 | くぶんしょゆうたてもの | building consisting of individually owned units, shops, etc.; strata title building; sectional title complex; condominium | |
| 区切り子文字 | くぎりしもじ | delimiter characters | |
| 区切り子機能 | くぎりしきのう | delimiter role | |
| 区切り子集合 | くぎりししゅうごう | delimiter set | |
| 区別をつける | くべつをつける | to distinguish between; to tell the difference between | |
| 区別を付ける | くべつをつける | to distinguish between; to tell the difference between | |
| 単位料金区域 | たんいりょうきんくいき | message area; MA | |
| 国家戦略特区 | こっかせんりゃくとっく | national strategic special zone | |
| 小選挙区制度 | しょうせんきょくせいど | single-seat constituency system | |
| 構造改革特区 | こうぞうかいかくとっく | special deregulation zone; special zone for structural reform | |
| 港区立図書館 | みなとくりつとしょかん | Minato City Library | |
| 発音区別符号 | はつおんくべつふごう | diacritical mark; diacritic | |
| 目黒区美術館 | めぐろくびじゅつかん | Meguro Museum of Art | |
| 管区警察学校 | かんくけいさつがっこう | Regional Police School | |
| 都市計画区域 | としけいかくくいき | city-planning area; urban planning area; urban zoning district | |
| 非線引き区域 | ひせんびきくいき | area which has not been designated a zoning district | |
| 鳥獣保護区域 | ちょうじゅうほごくいき | wildlife protection area | |
| オーバレイ区分 | オーバレイくぶん | overlay (segment) | |
| セクション区画 | セクションくかく | section | |
| チベット自治区 | チベットじちく | Tibet Autonomous Region (China) | |
| マーク区間宣言 | マークくかんせんげん | marked section declaration | |
| マーク区間終了 | マークくかんしゅうりょう | marked section end | |
| マーク区間開始 | マークくかんかいし | marked section start | |
| 区切り子文字列 | くぎりしもじれつ | delimiter string | |
| 区別がつかない | くべつがつかない | unable to tell apart | |
| 区別が付かない | くべつがつかない | unable to tell apart | |
| 区議会議員選挙 | くぎかいぎいんせんきょ | ward assembly election; local council election | |
| 土地区画整理法 | とちくかくせいりほう | Land Readjustment Act | |
| 市街化調整区域 | しがいかちょうせいくいき | urbanization control area; urban control area; zoning district where most types of construction is heavily restricted | |
| 広西壮族自治区 | こうせいチワンぞくじちく | Guangxi Zhuang Autonomous Region (China) | |
| 性的区別のない | せいてきくべつのない | gender-neutral | |
| 性的区別の無い | せいてきくべつのない | gender-neutral | |
| 札幌管区気象台 | さっぽろかんくきしょうだい | Sapporo District Meteorological Observatory | |
| 海洋生物地理区 | かいようせいぶつちりく | marine biogeographic region | |
| 準都市計画区域 | じゅんとしけいかくくいき | quasi-city planning area; zoning district in which special permission from the local governor or mayor is required for large-scale construction | |
| 立ち入禁止区域 | たちいりきんしくいき | no-trespassing area; restricted zone; no-go area | |
| 立入り禁止区域 | たちいりきんしくいき | no-trespassing area; restricted zone; no-go area | |
| コロンビア特別区 | コロンビアとくべつく | District of Columbia; DC | |
| サービス提供区域 | サービスていきょうくいき | service area boundary | |
| 仮原文区切り記号 | かりげんぶんくぎりきごう | pseudo-text delimiter | |
| 区分データセット | くぶんデータセット | partitioned data set | |
| 区分編成ファイル | くぶんへんせいファイル | partitioned file | |
| 区切り子集合引数 | くぎりししゅうごうひきすう | delimiter set parameter | |
| 土砂災害警戒区域 | どしゃさいがいけいかいくいき | sediment-related disaster risk area | |
| 強制ページ区切り | きょうせいページくぎり | forced page break | |
| 文脈上の区切り子 | ぶんみゃくじょうのくぎりし | delimiter-in-context | |
| 立ち入り禁止区域 | たちいりきんしくいき | no-trespassing area; restricted zone; no-go area | |
| 管区海上保安本部 | かんくかいじょうほあんほんぶ | Regional Maritime Safety Headquarters | |
| 隣接単位料金区域 | りんせつたんいりょうきんくいき | adjacent message area | |
| ヨルダン川西岸地区 | ヨルダンがわせいがんちく | West Bank | |
| 広西チワン族自治区 | こうせいチワンぞくじちく | Guangxi Zhuang Autonomous Region (China) | |
| 新疆ウイグル自治区 | しんきょうウイグルじちく | Xinjiang Uyghur Autonomous Region (China) | |
| 渋谷区立松濤美術館 | しぶやくりつしょうとうびじゅつかん | Shoto Museum of Art | |
| 区分編成データセット | くぶんへんせいデータセット | partitioned organization data set | |
| 宅地造成工事規制区域 | たくちぞうせいこうじきせいくいき | housing land development construction regulated area; zoning area where residential land development is restricted in order to prevent land- and mudslides and requires approval from the prefectural governor | |
| 特定複合観光施設区域 | とくていふくごうかんこうしせつくいき | specified complex tourist facilities area; area approved for containing integrated resorts with casinos | |
| 短縮参照区切り子機能 | たんしゅくさんしょうくぎりしきのう | short reference delimiter role | |
| 規格参照区切り子集合 | きかくさんしょうくぎりししゅうごう | reference delimiter set | |
| 世田谷区立世田谷美術館 | せたがやくりつせたがやびじゅつかん | Setagaya Art Museum | |
| 伝統的建造物群保存地区 | でんとうてきけんぞうぶつぐんほぞんちく | traditional architectures preservation district | |
| 小選挙区比例代表並立制 | しょうせんきょくひれいだいひょうへいりつせい | electoral system comprised of single-seat constituencies and proportionally represented multiple-seat constituencies | |
| 開いているマーク区間宣言 | ひらいているマークくかんせんげん | open marked section declaration | |