verbalisation vs verbalise

verbalisation is a noun but verbalise is not a noun.

Word	Noun	Adjective	Verb	Adverb
verbalisation	Yes	No	No	No
verbalise	No	No	Yes	No

verbalisation (noun)	verbalise (noun)
the activity of expressing something in words
the words that are spoken in the activity of verbalization

verbalisation (verb)	verbalise (verb)
	convert into a verb
	express in speech
	be verbose
	articulate; either verbally or with a cry, shout, or noise