| 1 | 後一歩 (あといっぽ) |
| (adv,adj-na) one more |
| 2 | あと一歩 (あといっぽ) |
| (adv,adj-na) one more |
| 3 | 一 (いち) |
| (num,pref) (1) one |
| 4 | 一葦 (いちい) |
| (n) (1) one reed |
| 5 | 一々 (いちいち) |
| (adv,n) one by |
| 6 | 一 (いちいち) |
| (adv,n) one by |
| 7 | 一応聞いて置く (いちおうきいておく) |
| (v5k) to hear someone out anyway |
| 8 | 一回転 (いちかいてん) |
| (n,vs) one revolution |
| 9 | 一眼 (いちがん) |
| (n) one eye |
| 10 | 一局部 (いちきょくぶ) |
| (n) one part |
| 11 | 一行知識 (いちぎょうちしき) |
| (n) one-line fact |
| 12 | 一組 (いちくみ) |
| (n) one class |
| 13 | 一具 (いちぐ) |
| (n) one set |
| 14 | 一遇 (いちぐう) |
| (n) one meeting |
| 15 | 一芸一能 (いちげいいちのう) |
| (n) (excelling in) one area or skill |
| 16 | 一芸に秀でる (いちげいにひいでる) |
| (exp) to excel in one thing |
| 17 | 一芸入試 (いちげいにゅうし) |
| (n) entrance exam for a university giving preference to persons who excel in one special field (skill) |
| 18 | 一月 (いちげつ) |
| (n) one month |
| 19 | 一見客 (いちげんきゃく) |
| (n) customer one has never met before |
| 20 | 一弦琴 (いちげんきん) |
| (n) one-stringed instrument |
| 21 | 一絃琴 (いちげんきん) |
| (n) one-stringed instrument |
| 22 | 一語 (いちご) |
| (n) one word |
| 23 | 一期 (いちご) |
| (n) one's life time |
| 24 | 一号 (いちごう) |
| (n) number one |
| 25 | 一事 (いちじ) |
| (n) one thing |
| 26 | 一時 (いちじ) |
| (n-adv,n) one hour |
| 27 | 一時間 (いちじかん) |
| (n) one hour |
| 28 | 一時間以内 (いちじかんいない) |
| (n) within one hour |
| 29 | 一食 (いちじき) |
| (n) one meal (a day) |
| 30 | 一次元 (いちじげん) |
| (n) one dimensional |
| 31 | 一日 (いちじつ) |
| (n) (1) one day |
| 32 | 一樹 (いちじゅ) |
| (n) a or one tree |
| 33 | 一汁一菜 (いちじゅういっさい) |
| (n) one-plate meal |
| 34 | 一畳 (いちじょう) |
| (n) one mat |
| 35 | 一場 (いちじょう) |
| (n) one time (place) |
| 36 | 一錠 (いちじょう) |
| (n) (1) one tablet or pill |
| 37 | 一族郎党 (いちぞくろうとう) |
| (n) one's family and followers |
| 38 | 一存 (いちぞん) |
| (n) one's own discretion (idea, responsibility) |
| 39 | 一対一の写像 (いちたいいちのしゃぞう) |
| (n) one-to-one mapping |
| 40 | 一大 (いちだい) |
| (n) one large ... |
| 41 | 一台 (いちだい) |
| (n) one machine |
| 42 | 一代分限 (いちだいぶげん) |
| (n) new money |
| 43 | 一代分限 (いちだいぶんげん) |
| (n) new money |
| 44 | 一諾千金 (いちだくせんきん) |
| (exp) one's word is worth 1,000 pieces of gold |
| 45 | 一堂 (いちどう) |
| (n) one building (hall, temple, shrine, room) |
| 46 | 一道 (いちどう) |
| (n) one road |
| 47 | 一読三嘆 (いちどくさんたん) |
| (n,vs) a reading leaves one with ceaseless sighs of admiration |
| 48 | 一読三歎 (いちどくさんたん) |
| (n,vs) a reading leaves one with ceaseless sighs of admiration |
| 49 | 一読呆然 (いちどくぼうぜん) |
| (n,vs) a (single) reading (a perusal) leaves one dumbfounded |
| 50 | 一難 (いちなん) |
| (n) one difficulty |
| 51 | 一日 (いちにち) |
| (n) (1) one day |
| 52 | 一如 (いちにょ) |
| (n) oneness |
| 53 | 一人 (いちにん) |
| (n) (1) one person |
| 54 | 一人会社 (いちにんかいしゃ) |
| (n) one man company |
| 55 | 一年 (いちねん) |
| (n) one year |
| 56 | 一年間 (いちねんかん) |
| (n) (period of) one year |
| 57 | 一年毎 (いちねんごと) |
| (adv) every (one) year |
| 58 | 一年前 (いちねんまえ) |
| (exp) one year ago |
| 59 | 一年有半 (いちねんゆうはん) |
| (n) one year and a half |
| 60 | 一倍 (いちばい) |
| (n,vs) one share |
| 61 | 一場面 (いちばめん) |
| (n) one scene (in play) |
| 62 | 一番弟子 (いちばんでし) |
| (n) the (one's) best pupil |
| 63 | 一秒 (いちびょう) |
| (n) one second |
| 64 | 一病息災 (いちびょうそくさい) |
| (exp) one who experiences a chronic ailment takes better care of his health and lives longer |
| 65 | 一分 (いちぶ) |
| (n) one tenth |
| 66 | 一部 (いちぶ) |
| (n-adv,n) (1) one part |
| 67 | 一物一価の法則 (いちぶついっかのほうそく) |
| (n) law of one price |
| 68 | 一分野 (いちぶんや) |
| (n) one field |
| 69 | 一望 (いちぼう) |
| (n,vs) one sweep (of the eye) |
| 70 | 一眸 (いちぼう) |
| (n,vs) one sweep (of the eye) |
| 71 | 一木 (いちぼく) |
| (n) one tree |
| 72 | 一枚 (いちまい) |
| (n) one thin flat object |
| 73 | 一枚上 (いちまいうえ) |
| (n) one step higher |
| 74 | 一枚上手 (いちまいうわて) |
| (n,adj-na) one step higher |
| 75 | 一枚下 (いちまいした) |
| (n) one step lower |
| 76 | 一味同心 (いちみどうしん) |
| (n) (people) working together with one mind |
| 77 | 一名 (いちめい) |
| (n) one person |
| 78 | 一面 (いちめん) |
| (n) (1) one face |
| 79 | 一面観 (いちめんかん) |
| (n) one-sided view |
| 80 | 一面的 (いちめんてき) |
| (adj-na) one-sided |
| 81 | 一毛 (いちもう) |
| (n) one-tenth of a rin |
| 82 | 一目置く (いちもくおく) |
| (v5k) to take off one's hat to a person |
| 83 | 一目十行 (いちもくじゅうぎょう) |
| (n) outstanding reading ability (lit: one glance, ten lines) |
| 84 | 一夜 (いちや) |
| (n-adv,n-t) one night |
| 85 | 一躍 (いちやく) |
| (n-adv,n-t) (at) one bound |
| 86 | 一要素 (いちようそ) |
| (n) one element |
| 87 | 一利 (いちり) |
| (n) one advantage |
| 88 | 一里塚 (いちりづか) |
| (n) milestone (1 ri apart) |
| 89 | 一粒子既約 (いちりゅうしきやく) |
| (n) one particle irreducible (physics) |
| 90 | 一両 (いちりょう) |
| (n-adv) (1) one vehicle |
| 91 | 一輛 (いちりょう) |
| (n-adv) (1) one vehicle |
| 92 | 一了簡 (いちりょうかん) |
| (n) at one's discretion |
| 93 | 一輪 (いちりん) |
| (n) one flower |
| 94 | 一輪挿 (いちりんざし) |
| (n) vase for one flower |
| 95 | 一輪挿し (いちりんざし) |
| (n) vase for one flower |
| 96 | 一蓮托生 (いちれんたくしょう) |
| (n) sharing one's lot with another |
| 97 | 一路 (いちろ) |
| (adv,n) one road |
| 98 | 一路平安 (いちろへいあん) |
| (n) (wishing someone) bon voyage |
| 99 | 一羽 (いちわ) |
| (n) one (bird) |
| 100 | 一リットル炊き (いちリットルだき) |
| (adj-no) having a cooking capacity of one liter |