verbalise vs say

verbalise is not a noun while say is a noun.

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

As verbs, say is a hyponym of verbalise; that is, say is a word with a more specific, narrower meaning than verbalise:

verbalise (noun)	say (noun)
	the chance to speak

verbalise (verb)	say (verb)
convert into a verb	express in words
express in speech	report or maintain
be verbose	speak, pronounce, or utter in a certain way
articulate; either verbally or with a cry, shout, or noise	express a supposition
	give instructions to or direct somebody to do something with authority
	communicate or express nonverbally
	recite or repeat a fixed text
	indicate
	state as one's opinion or judgement; declare
	utter aloud
	have or contain a certain wording or form