How to say "chorus" in Japanese

• コーラスJLPT N2approx.Common
  nounA loanword covering the chorus of a song — the repeated refrain — and the backing or harmony vocals behind a lead singer; use it for a song's chorus part rather than for group singing itself.
  誰だれがコーラスを指揮しきしますか。↗

  Who leads the chorus?
• 合唱がっしょうJLPT N1approx.Common
  noun, suru verb, transitive verbGroup singing — a number of people singing a song together, as in a school music class or a choir performance; this is the word for chorus as an activity, not for a song's refrain.
  パーティーは合唱がっしょうで終おわった。↗

  The party ended up with a chorus.

Use 合唱 for a group singing together — choral singing — and 「コーラス」 for a song's chorus, the refrain, or for backing vocals; the choice depends on which sense of 'chorus' you mean.

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

• コーラスchorus
• 合唱がっしょうsinging together
• コロスchorus (esp. in Greek drama)
• 合唱隊がっしょうたいchorus
• 合唱曲がっしょうきょくchorus
• さびhook (high point of a song)
• 折り返しおりかえしchorus