VOCALISE
vocalize, vocalise, phonate
(verb) utter speech sounds
voice, sound, vocalize, vocalise
(verb) utter with vibrating vocal chords
articulate, enunciate, vocalize, vocalise
(verb) express or state clearly
vocalize, vocalise, vowelize, vowelise
(verb) pronounce as a vowel; “between two consonants, this liquid is vowelized”
vocalize, vocalise
(verb) sing (each note a scale or in a melody) with the same vowel
Source: WordNet® 3.1
Etymology 1
Verb
vocalise (third-person singular simple present vocalises, present participle vocalising, simple past and past participle vocalised)
Non-Oxford British standard spelling of vocalize.
Etymology 2
Noun
vocalise (plural vocalises)
A vocal exercise performed by singing one or more vowels without actually forming any words.
Source: Wiktionary