| Subject | English | Japanese |
| gen. | competitive bid contracts | 競争入札請負契約書 |
| construct. | competitive contract | 競争契約 (きょうそう・けいやく) |
| gen. | competitive contract | 競争請負 |
| construct. | non-competitive contract | 特命契約 (とくめいけいやく) |
| tech. | public competitive contract | 一般競争契約 (いっぱんきょうそうけいやく) |