tittle-tattle vs utter

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

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

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

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

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

tittle-tattle (adjective)	utter (adjective)
	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

tittle-tattle (verb)	utter (verb)
speak (about unimportant matters) rapidly and incessantly	express in speech
	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation