9
vocal(adjective, witting, sounds, voiced, verbal)
7
letter(noun, language, letter)
6
vocalic(adjective, witting, articulate, sounds, voiced)
5
consonant(noun, letter)
5
vowel sound(noun, expression, idiom)
4
intonated(witting, articulate, voiced, verbal, sonant)
4
mute
4
sonant(adjective, witting, articulate, voiced, vocal)
4
strong
3
diphthong(noun, letter)
3
dental
3
guttural
3
labial
3
liquid
3
syllable
3
triphthong(noun, letter)
3
voice
2
alveolar
2
articulated(witting, articulate, voiced, verbal, sonant)
2
aspiration
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APASmart Define. (2015). vowel thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/vowel/thesaurus/synonyms
ChicagoSmart Define. 2015. "vowel thesaurus" https://smartdefine.org/vowel/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, vowel thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/vowel/thesaurus/synonyms>.
MLASmart Define. "vowel thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/vowel/thesaurus/synonyms>