| term | pronunciation | English |
|---|
| 区別する | くべつする | to distinguish, to classify, to tell apart |
| 区分 | くぶん | (a) division, (a) classification, sorting, grouping |
| 区別 | くべつ | (a) distinction, (a) difference |
| たんぽ区 | たんぽくしつ | protein |
| 区切る | くぎる | to punctuate, to cut off, to mark off, to stop |
| ～区 | ～く | district ～ |
| 地区 | ちく | a district, a section, an area, a zone, a quarter |
| 区域 | くいき | limits, boundary, domain, zone, sphere, territory |
| 品川区 | しながわく | Shinagawa ward (of Tokyo) |
| 区役所 | かやくしょ | a ward office |
| 区 | く | ward, district, section |
| 区内 | くない | in the ward or borough |
| 区民 | くみん | ward residents |
| 区立 | くりつ | established by the ward |
| 区長 | くちょう | ward headman |
| 区間 | くかん | section (of track, etc.), segment, dimension |
| 小選挙区 | しょうせんきょく | small electoral district, single-member constituency |
| 鉱区 | こうく | mining area, mine lot |