| 音 | おと | sound; noise; (musical) note; fame | n4 |
| 音楽 | おんがく | music | n5 |
| 音樂 | おんがく | music | n5 |
| 足音 | あしおと | (sound of) footsteps; sense or sign that something is approaching | n3 |
| 物音 | ものおと | noise; sound | n1 |
| 発音 | はつおん | pronunciation; production of sound | n3 |
| 音響 | おんきょう | sound; noise; audio; acoustics | n1 |
| 観音 | かんのん | Avalokiteshvara (Bodhisattva); Avalokitesvara; Kannon; Kwannon | |
| 觀音 | かんのん | Avalokiteshvara (Bodhisattva); Avalokitesvara; Kannon; Kwannon | |
| 跫音 | あしおと | (sound of) footsteps; sense or sign that something is approaching | n3 |
| 音声 | おんせい | voice; speech; sound of a voice; sound (e.g. of a TV) | n2 |
| 音色 | ねいろ | tone color; tone colour; tone quality; timbre | n1 |
| 風の音 | かぜのおと | sound of the wind; voice of the wind | |
| 水音 | みずおと | sound of water | |
| 音信 | おんしん | correspondence; news; letter; tidings | |
| 錄音 | ろくおん | (audio) recording | n3 |
| 録音 | ろくおん | (audio) recording | n3 |
| 音楽家 | おんがくか | musician | n3 |
| 音頭 | おんど | lead (in a cheer, toast, song, etc.); (someone's) lead; folk song and dance performed by a group; leader of a group of wind instruments (in gagaku) | n3 |
| 声音 | せいおん | sound of voice; vocal sound | |
| 騒音 | そうおん | noise; din | n2 |
| 羽音 | はおと | flapping sound (of wings); fluttering; hum (of insects); buzz (of bees, etc.) | |
| 本音 | ほんね | real intention; motive; true opinion; what one really thinks | n2 |
| 爆音 | ばくおん | (sound of an) explosion or detonation; roar (of a machine) | |
| 靴音 | くつおと | walking sound; footsteps | |
| 蓄音機 | ちくおんき | gramophone; phonograph | |
| 雑音 | ざつおん | noise (usu. unpleasant); interference (e.g. radio); static; noise | |
| 音沙汰 | おとさた | news (from someone); word; letter; tidings | |
| 音曲 | おんぎょく | songs with samisen accompaniment; musical performance | |
| 福音 | ふくいん | good news; glad tidings; gospel (teachings or revelations of Christ) | |
| 異口同音 | いくどうおん | (saying) with one voice; unanimously; in chorus; in unison | |
| 観音堂 | かんのんどう | temple dedicated to Kannon | |
| 音調 | おんちょう | tune; tone; intonation; melody | |
| 音読 | おんどく | reading aloud; reading (a kanji) by its Chinese-derived pronunciation | n1 |
| 初音 | はつね | first warbling heard in a New Year | |
| 弱音 | よわね | feeble complaint; whine | n1 |
| 蓄音器 | ちくおんき | gramophone; phonograph | |
| 防音 | ぼうおん | soundproofing | |
| 観世音 | かんぜおん | Avalokiteshvara (Bodhisattva); Avalokitesvara; Kannon; Kwannon | |
| 觀世音 | かんぜおん | Avalokiteshvara (Bodhisattva); Avalokitesvara; Kannon; Kwannon | |
| 音波 | おんぱ | sound wave; acoustic wave | |
| 音源 | おんげん | sound source; sound generator; tone generator; audio | |
| 同音 | どうおん | homophony; same pronunciation; same sound; unison | |
| 音階 | おんかい | scale | |
| 音律 | おんりつ | metre; rhythm; musical temperament | |
| 轟音 | ごうおん | thunderous roar; roaring sound | |
| 低音 | ていおん | low tone; bass; low voice | n2 |
| 音符 | おんぷ | musical note; note symbol; phonetic symbol (incl. the kanji and kana-doubling symbols, vowel-lengthening symbol, etc.); part of a kanji for which the role is primarily to represent the pronunciation (as opposed to the meaning) | |
| 高音 | こうおん | high-pitched tone; soprano | n2 |
| 遠音 | とおね | distant sound | |
| 音韻 | おんいん | phoneme; vocal sound; tone (quality); timbre | |
| 美音 | びおん | a sweet voice | |
| 音質 | おんしつ | tone quality; sound quality | |
| 母音 | ぼいん | vowel | |
| 忍び音 | しのびね | whispering; quiet weeping | |
| 観世音菩薩 | かんぜおんぼさつ | Avalokiteshvara (Bodhisattva); Avalokitesvara; Kannon; Kwannon | |
| 無音 | むおん | silence | |
| 中音 | ちゅうおん | mediant; baritone; contralto; medium tone | |
| 音楽的 | おんがくてき | musical | |
| 音羽屋 | おとわや | Otowaya (stage name of a kabuki family) | |
| 妙音 | みょうおん | exquisite voice; exquisite music | |
| 子音 | しいん | consonant | |
| 音譜 | おんぷ | music; notes; notation | |
| 楽音 | がくおん | musical note | |
| 遮音 | しゃおん | soundproofing; sound insulation | |
| 五音 | ごいん | pentatonic scale | |
| 和音 | わおん | chord; customary "on" reading (of a kanji) used in Japanese (as opposed to those derived from Chinese); Wu reading (of a kanji; as opposed to a Han reading) | |
| 字音 | じおん | Chinese-derived reading of a kanji | |
| 弦音 | つるおと | sound of vibrating bowstring | |
| 観音開き | かんのんびらき | double doors (opening from the centre); double-opening from the centre (of doors, casement windows, etc.); filleting fish, chicken, etc. with a central cut and peeling back the flesh | |
| 濁音 | だくおん | syllable with a voiced consonant (in Japanese); voiced sound | |
| 超音波 | ちょうおんぱ | ultrasonic waves; ultrasound | |
| 訃音 | ふおん | report of a death | n1 |
| 音吐 | おんと | voice | |
| 音頭取り | おんどとり | taking the lead; leadership; leader; pacemaker | |
| 音量 | おんりょう | volume (sound) | n3 |
| 馬頭観音 | ばとうかんのん | Hayagriva (manifestation of Avalokitesvara with an ornament in the shape of a horse's head) | |
| 音楽性 | おんがくせい | musicianship | |
| 走行音 | そうこうおん | sound of a moving train or road vehicle | |
| 撥音 | はつおん | syllabic nasal (in Japanese) | n3 |
| 擬音 | ぎおん | imitative sound (in film, theatre, etc.); sound effect | |
| 軽音楽 | けいおんがく | light music; popular music | |
| 音物 | いんもつ | present (to build up a "friendship" with someone); bribe | |
| 音痴 | おんち | tone deafness; amusia; having no ear for music; having no sense of (e.g. direction) | |
| 音節 | おんせつ | syllable | |
| 漢音 | かんおん | kan-on; Han reading; on reading of a kanji based on Tang dynasty Chinese | |
| 知音 | ちいん | exceptionally close friend | |
| 聴音 | ちょうおん | hearing | |
| 音便 | おんびん | euphony; euphonic change | |
| 五十音 | ごじゅうおん | the Japanese syllabary | |
| 千手観音 | せんじゅかんのん | thousand-armed Avalokiteshvara; thousand-armed Kannon | |
| 千手觀音 | せんじゅかんのん | thousand-armed Avalokiteshvara; thousand-armed Kannon | |
| 清音 | せいおん | syllable with an unvoiced consonant (except "p"; in Japanese); syllable written without a dakuten or handakuten; clear sound | |
| 爪音 | つまおと | clang of hoofs; sound of a koto | |
| 音訳 | おんやく | transliteration; phonetic representation of a foreign word using Chinese characters; reading aloud (for people with impaired vision) | |
| 音感 | おんかん | sense of pitch; ear for music | |
| 音程 | おんてい | interval; step; pitch; key | |
| 鼻音 | びおん | nasal voice; nasal stop; nasal occlusive; nasal | |
| 吃音 | きつおん | stammering; stuttering; dysphemia | |
| 半音 | はんおん | semitone; half step; halftone | |