| 1 | 一に (いつに) |
| (adv) solely |
| 2 | 帰一 (きいつ) |
| (n,vs) united into one |
| 3 | 不一 (ふいつ) |
| (adj-na,n) Very sincerely yours |
| 4 | 唯一 (ゆいつ) |
| (adj-no,adv) only |
| 5 | 一々 (いついつ) |
| (adv,n) one by one |
| 6 | 一 (いついつ) |
| (adv,n) one by one |
| 7 | 画一 (かくいつ) |
| (adj-na,n) uniformity |
| 8 | 劃一 (かくいつ) |
| (adj-na,n) uniformity |
| 9 | 均一 (きんいつ) |
| (adj-na,n) uniformity |
| 10 | 合一 (ごういつ) |
| (n,vs) unification |
| 11 | 斉一 (せいいつ) |
| (n) equality |
| 12 | 精一 (せいいつ) |
| (adj-na,n) purity |
| 13 | 専一 (せんいつ) |
| (adj-na,n) exclusively |
| 14 | 択一 (たくいつ) |
| (n) choosing an alternative |
| 15 | 単一 (たんいつ) |
| (adj-na,n) single |
| 16 | 逐一 (ちくいつ) |
| (adv) one by one |
| 17 | 統一 (とういつ) |
| (n,vs) unity |
| 18 | 同一 (どういつ) |
| (adj-na,n,adj-no) identity |
| 19 | 都々一 (どどいつ) |
| (n) (obsc) (obs) (arch) unrhymed non-metrical Japanese popular love song or limerick in the 7-7-7-5 syllable pattern |
| 20 | 万一 (まんいつ) |
| (adv,n) by some chance |
| 21 | 唯一 (ゆいいつ) |
| (adj-no,adv) only |
| 22 | 画一化 (かくいつか) |
| (n) standardization |
| 23 | 劃一化 (かくいつか) |
| (n) standardization |
| 24 | 均一化 (きんいつか) |
| (n,vs) homogenization |
| 25 | 純一 (じゅんいつ) |
| (adj-na,n) purity |
| 26 | 単一化 (たんいつか) |
| (n) simplification |
| 27 | 同一視 (どういつし) |
| (n,vs) class with |
| 28 | 不統一 (ふとういつ) |
| (adj-na,n) disunity |
| 29 | 万が一 (まんがいつ) |
| (adv,n) if by any chance |
| 30 | 画一的 (かくいつてき) |
| (adj-na) uniform |
| 31 | 斉一説 (せいいつせつ) |
| (n) uniformitarianism |
| 32 | 択一的 (たくいつてき) |
| (adj-na) alternative |
| 33 | 単一性 (たんいつせい) |
| (n) unitary |
| 34 | 統一感 (とういつかん) |
| (n) sense of unity |
| 35 | 統一的 (とういつてき) |
| (adj-na) united |
| 36 | 同一人 (どういつにん) |
| (n) the same person |
| 37 | 同一律 (どういつりつ) |
| (n) law of identity |
| 38 | 唯一不二 (ゆいいつふじ) |
| (n,adj-no) one and only |
| 39 | 唯一無二 (ゆいいつむに) |
| (adj-na,n,adj-no) one and only |
| 40 | 唯一無比 (ゆいいつむひ) |
| (n,adj-no) one and only |
| 41 | 画一思考 (かくいつしこう) |
| (n) uniformity of thought |
| 42 | 画一主義 (かくいつしゅぎ) |
| (n) standardization |
| 43 | 軌を一にする (きをいつにする) |
| (exp,vs-i) to concur |
| 44 | 均一価格 (きんいつかかく) |
| (n) uniform price |
| 45 | 単一通貨 (たんいつつうか) |
| (n) single currency |
| 46 | 知行合一 (ちこうごういつ) |
| (exp) awareness comes only through practice |
| 47 | 知徳合一 (ちとくごういつ) |
| (n) the unity of knowledge and virtue |
| 48 | 天下統一 (てんかとういつ) |
| (n,vs) unification of the whole country |
| 49 | 二者選一 (にしゃせんいつ) |
| (n) alternative |
| 50 | 二者択一 (にしゃたくいつ) |
| (n) two alternatives |
| 51 | 史上唯一 (しじょうゆいいつ) |
| (n) the first in history |
| 52 | 精神統一 (せいしんとういつ) |
| (n) concentration of mind |
| 53 | 択一問題 (たくいつもんだい) |
| (n) multiple-choice question |
| 54 | 統一見解 (とういつけんかい) |
| (n) collective view (opinion) |
| 55 | 統一戦線 (とういつせんせん) |
| (n) united front |
| 56 | 統一場理論 (とういつばりろん) |
| (n) unified field theory |
| 57 | 同一人物 (どういつじんぶつ) |
| (n) the very same person |
| 58 | 均一料金 (きんいつりょうきん) |
| (n) uniform fee |
| 59 | 単一神教 (たんいつしんきょう) |
| (n) monotheism |
| 60 | 大統一理論 (だいとういつりろん) |
| (n) grand unified theory (physics) |
| 61 | 統一教会 (とういつきょうかい) |
| (n) Unification Church (religious movement started by Reverend Sun Myung Moon) |
| 62 | 二者選一法 (にしゃせんいつほう) |
| (n) completion test (one out of two choices) |
| 63 | 一脈相通じる (いちみゃくあいつうじる) |
| (v5r) to have in common (with) |
| 64 | 一脈相通ずる (いちみゃくあいつうずる) |
| (v5r) to have in common (with) |
| 65 | 統一地方選挙 (とういつちほうせんきょ) |
| (n) nationwide local elections |
| 66 | 機能単一化文法 (きのうたんいつかぶんぽう) |
| (n) functional unification grammar |
| 67 | 東方帰一教会 (とうほうきいつきょうかい) |
| (n,adj-no) (ru: uniat) Uniate (term for Eastern Rite Catholicism) |
| 68 | 性同一性障害 (せいどういつせいしょうがい) |
| (n) gender identity disorder |
| 69 | 二者択一を迫られる (にしゃたくいつをせまられる) |
| (exp,v1) to be faced with the choice between two alternatives |
| 70 | 単一化に基づく形式化 (たんいつかにもとづくけいしきか) |
| (n) unification-based formalisms |