tittle-tattle vs verbalise

tittle-tattle is a noun but verbalise is not a noun.

Word	Noun	Adjective	Verb	Adverb
tittle-tattle	Yes	No	Yes	No
verbalise	No	No	Yes	No

As verbs, verbalise is a hypernym of tittle-tattle; that is, verbalise is a word with a broader meaning than tittle-tattle:

Other hypernyms of tittle-tattle include mouth, speak, talk, utter, verbalize.

tittle-tattle (noun)	verbalise (noun)
light informal conversation for social occasions

tittle-tattle (verb)	verbalise (verb)
speak (about unimportant matters) rapidly and incessantly	convert into a verb
	express in speech
	be verbose
	articulate; either verbally or with a cry, shout, or noise