tattle vs verbalise

tattle is a noun but verbalise is not a noun.

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

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

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

tattle (noun)	verbalise (noun)
disclosing information or giving evidence about another

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