vocalise

(verb) sing (each note a scale or in a melody) with the same vowel. Synonyms: vocalize.

(verb) pronounce as a vowel. Synonyms: vocalize, vowelize, vowelise. Example: "Between two consonants, this liquid is vowelized."

(verb) express or state clearly. Synonyms: articulate, enunciate, vocalize.

(verb) utter with vibrating vocal chords. Synonyms: voice, sound, vocalize.

(verb) utter speech sounds. Synonyms: vocalize, phonate.