| term | pronunciation | English |
|---|
| 独楽 | こま | spinning top |
| 独り | ひとり | alone, unmarried |
| 独り言 | ひとりごと | a soliloquy, a monologue, speaking to oneself |
| 単独 | たんどく | sole, independence, single, solo (flight) |
| 唯我独尊 | ゆいがどくそん | self-conceit, self-centeredness, vainglory |
| 天涯孤独 | てんがいこどく | a person without a single relative |
| 孤独 | こどく | isolation, loneliness, solitude |
| 東独 | とうどく | East Germany |
| 独占 | どくせん | monopoly; to monopolize, to hog |
| 独占的 | どくせんてき | monopolistic |
| 独唱 | どくしょう | vocal solo |
| 独善 | どくぜん | self-righteousness, self-justified |
| 独特 | どくとく | peculiarity, uniqueness, characteristic |
| 独禁法 | どっきんほう | antitrust law, Antitrust Act |
| 独立 | どくりつ | independence (e.g. Independence Day), self-support |
| 独立国 | どくりつこく | independent state or nation |
| 独立班 | どくりつはん | detachment |
| 独自 | どくじ | original, peculiar, characteristic, proprietary |
| 独裁 | どくさい | dictatorship, despotism |
| 独走 | どくそう | running alone, doing things alone that should be done with others |
| 独身 | どくしん | bachelorhood, single, unmarried, celibate |
| 独身寮 | どくしんりょう | hostel for bachelors |