1. utter speech sounds

Synonym: vocalisephonate

2. utter with vibrating vocal chords

Synonym: voicesoundvocalise

3. express or state clearly

Synonym: articulateenunciatevocalise

4. pronounce as a vowel

e.g. between two consonants, this liquid is vowelized

Synonym: vocalisevowelizevowelise

5. sing (each note a scale or in a melody) with the same vowel

Synonym: vocalise