Synonyms for vowel

noun

1. vocoid, open-voiced sound, vowel sound, glide, diphthong, digraph; see also consonant, letter 1.

   Linguistic terms for vowel sounds include: high, mid, low, open, close, front, back, central, flat, rounded, unrounded, tense, slack, stressed, unstressed, nasal, nasalized, labial, labialized, clipped, diphthongized.

2. In English spelling, symbols to represent vowels include: a, e, i, o, u, w, y.