音|おんon[2]odaka (tail-high)

1. noun, noun (suffix)sound; noise
2. noun(speech) sound
3. nounChinese-derived reading of a kanji

• SynonymサウンドNeutralLoanword for sound from music or audio equipment, as in 「サウンドが良い」; 「音（おん）」 mostly covers speech sounds and kanji readings.
• Synonym音響おんきょうNeutralReverberation and sound effects, as in 「音響設備」; leans toward the technical, equipment side of sound.
• Related音声おんせいNeutralSound made by people or carried in audio and video, as in 「音声認識」; centers on the sound signal itself.
• Related響きひびきNeutralThe echo, resonance, or impression a sound gives, as in 「鐘の響き」「言葉の響き」; centers on how something sounds.
• Related声こえNeutralSounds made by people or animals, as in 「声が大きい」; 「音（おん）」 is mostly for speech sounds and kanji readings.
• RelatedどよめきNeutralA stir of noise from a crowd, as in 「会場にどよめきが起こる」; limited to the commotion of many people.
• Related語音ごおんWrittenWritten word for the sounds that make up a language, mostly in linguistics; 「音」 also covers kanji on-readings.
• Antonym静寂せいじゃくWrittenWritten word for deep stillness, as in 「静寂に包まれる」; the opposite of 「音」.
• Antonym沈黙ちんもくWrittenRead 「しじま」, this is 「静寂」 in another writing: deep stillness, as in 「夜のしじま」; as 「沈黙」 read 「ちんもく」, it means not speaking.
• Antonym無音むおんNeutralThe absence of any sound, as in 「無音状態」; the direct opposite of 「音」.

「音（おん）」 is mostly for language-related sound — speech sounds, kanji readings — or used as a suffix. For everyday sounds use 「音（おと）」 or 「声」, for music and audio 「サウンド」, and for sound from equipment 「音響」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （オン）漢字かんじの読よみのうち、漢字かんじが伝つたわった当時とうじの中国語ちゅうごくごの発音はつおんに基もとづく読み方よみかた。音読おんよみ。