[o] (int) oh! (expression of slight surprise) #94
[ぐん(P);こおり, gun (P); koori] (n) (1) (ぐん only) district; county; (2) (See 国郡里制) district (of 2-20 50-home neighbourhoods or townships, in the ritsuryo period); (P) #135
[おもい, omoi] (n) thought; mind; heart; feelings; emotion; sentiment; love; affection; desire; wish; hope; expectation; imagination; experience; (P) #159
[おんがく, ongaku] (n) music; musical movement; (P) #233
[おねがい, onegai] (n, vs) (1) (hon) (See 願い) request; wish; (int) (2) (abbr) (See 御願いします) please #261
[おなじ(P);おんなじ, onaji (P); onnaji] (adj-f, n) (1) same; identical; equal; uniform; equivalent; similar; common (origin); changeless; alike; (adv) (2) (usu. part of a 'nara' conditional) anyway; anyhow; in either case; (P) #262
[おおさか, oosaka] (n) Osaka #275
[おも, omo] (adj-na, n) (1) (See 主な, 主に) chief; main; principal; important; (2) (abbr) (usu. written as オモ) (See 重あど) main secondary or supporting role (in kyogen); (P) #295
[じゅう(P);と;とお(P), juu (P); to ; too (P)] (num) 10; ten; (P) #305
[おう, ou] (n, n-suf) (1) king; ruler; sovereign; monarch; (2) king (for senior player) (shogi); (P) #347
[おおく, ooku] (adv) many; much; largely; abundantly; mostly #354
[ご(P);お(P), go (P); o (P)] (pref) (1) honorific prefix; (pref, suf) (2) (ぎょ only) (hon) imperial; emperor #364
[ご(P);お(P), go (P); o (P)] (pref) (uk) honourable; honorable; (P) #364
[ちゅうおう, chuuou] (n, adj-no) centre; central; center; middle; (P) #379
[および, oyobi] (conj) and; as well as; (P) #407
[どおり, doori] (n-adv, n) (1) avenue; street; way; road; (2) coming and going; street traffic; (3) flow (of water, air, etc.); (4) transmission (of sound); reach (e.g. of voice); (5) fame; reputation; popularity; (6) the same status or way; as (e.g. as expected, as I said); (7) understanding; comprehension; (ctr) (8) counter for sets of things; counter for methods, ways, types; (P) #493
[どおり, doori] (n-suf) (1) in accordance with ...; following ...; (2) roughly; about; (3) .. Street; .. Avenue; (P) #493
[おす, osu] (v5s, vt) (1) (押す only) to push; to press; (2) (押す, 圧す only) to apply pressure from above; to press down; (3) (押す, 捺す only) (See 判を押す) to stamp (i.e. a passport); to apply a seal; (P) #525
[おこなう, okonau] (v5u, vt) to perform; to do; to conduct oneself; to carry out; (P) #555
[おおい, ooi] (adj-i) many; numerous; (P) #590
[なおし, naoshi] (n) (1) correction; rectification; (2) mending; repair; (P) #608
[ふくおか, fukuoka] (n) Fukuoka (city) #642
[おとこ, otoko] (n) man; (P) #650
[たいおう, taiou] (n, vs) (1) interaction; correspondence; coping with; dealing with; support; (2) { comp } software support; ability of a computer system to run specific software; (P) #670
[おしらせ, oshirase] (n, vs) (See 知らせ) notice; notification #741
[おと(P);ね(P);おん(P), oto (P); ne (P); on (P)] (n, n-suf) (1) sound; noise; report; (2) note (music); (3) (おと only) fame; (4) (おん only) (See 訓・くん) Chinese-derived character reading; (P) #787
[おく, oku] (num) 10^8; 100, 000, 000; hundred million; (P) #838
[おこない, okonai] (n) deed; act; action; conduct; behavior; behaviour; asceticism; (P) #944
[しずおか, shizuoka] (n) Shizuoka (city) #976
[はは(P);はわ(ok);かか(ok);おも(ok);いろは(ok);あも(ok), haha (P); hawa (ok); kaka (ok); omo (ok); iroha (ok); amo (ok)] (n) (hum) (かか was used by children) (See 父) mother; (P) #993
[しょうじょ(少女)(P);おとめ, shoujo ( shoujo )(P); otome] (n) young lady; little girl; virgin; maiden; daughter; (P) #1092
[おきなわ, okinawa] (n) Okinawa (one of the Japanese Ryukyu islands); (P) #1114
[おうこく, oukoku] (n) kingdom; monarchy; (P) #1119
[おおきな, ookina] (adj-f) (See 小さな) big; large; great; (P) #1151
[おもう, omou] (v5u, vt) (1) (想う has connotations of heart-felt) to think; to consider; to believe; (2) to think (of doing); to plan (to do); (3) to judge; to assess; to regard; (4) to imagine; to suppose; to dream; (5) to expect; to look forward to; (6) to feel; to desire; to want; (7) to recall; to remember; (P) #1370
[あお, ao] (n) (1) blue; (2) green; (3) (abbr) (See 青信号) green light; (4) (See 青毛) black (horse coat color); (pref) (5) immature; unripe; young; (P) #1374
[おび(P);たらし(ok), obi (P); tarashi (ok)] (n) (1) obi; kimono sash; (2) (おび only) (See 帯紙) paper wrapper on books, CDs, etc.; (P) #1377
[おんせん, onsen] (n) spa; hot spring; onsen; (P) #1394
[おおきく, ookiku] (adv) in a big way; on a grand scale #1429
[おうざ, ouza] (n) throne; (P) #1539
[おっと, otto] (n) (See 良人・りょうじん・1) husband; (P) #1564
[おわらい, owarai] (n) comical (story, song); comic #1577
[おうしゅう, oushuu] (n) Europe; (P) #1654
[かお, kao] (n) face (person); (P) #1658
[おなじく, onajiku] (adv, conj, vs) similarly; same (idea); same (name); (P) #1672
[おや, oya] (n) (1) parent; parents; (2) dealer (in cards); (3) founder; (4) (pet) owner; (P) #1782
[おに(P);き, oni (P); ki] (n) (1) ogre; demon; (2) (See 亡魂) spirit of a deceased person; (3) (おに only) ogre-like person (i.e. fierce, relentless, merciless, etc.); (4) (おに only) it (i.e. in a game of tag); (5) (き only) Chinese "ghost" constellation (one of the 28 mansions); (P) #1815
[おおがた, oogata] (adj-na, n, adj-no) (See 小型) large; large scale; big; jumbo; (P) #1841
[おとうと(P);おと;おとと(ik);てい, otouto (P); oto ; ototo (ik); tei] (n) (1) (hum) younger brother; (2) (てい only) (arch) pupil; apprentice; (P) #1845
[さかな(P);うお, sakana (P); uo] (n) fish; (P) #1849