同音

tóngyīn
  1. (music) unison
  2. (linguistics) homophonous; homonymic

CEDICT

music linguistics

Entry Composition

1 同 tóng
  1. like
  2. same
  3. similar
  4. together
  5. alike
  6. with
2 音 yīn
  1. sound
  2. noise
  3. note (of musical scale)
  4. tone
  5. news
  6. syllable
  7. reading (phonetic value of a character)