vocalisation vs vocalise

vocalisation is a noun but vocalise is not a noun.

Word	Noun	Adjective	Verb	Adverb
vocalisation	Yes	No	No	No
vocalise	No	No	Yes	No

vocalisation (noun)	vocalise (noun)
the sound made by the vibration of vocal folds modified by the resonance of the vocal tract

vocalisation (verb)	vocalise (verb)
	pronounce as a vowel
	express or state clearly
	utter with vibrating vocal chords
	utter speech sounds
	sing (each note a scale or in a melody) with the same vowel