vocalize , vocalise
vb
1 to express with or use the voice; articulate (a speech, song, etc.)
2 tr to make vocal or articulate
a to articulate (a speech sound) with voice
b to change (a consonant) into a vowel
4 another word for →
vowelize
5 intr to sing a melody on a vowel, etc.
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vocalization, vocalisation n
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vocalizer, vocaliser n