smatter vs tittle-tattle

smatter is not a noun while tittle-tattle is a noun.

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

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

Other hypernyms of smatter include blab, blabber, chatter, clack, gabble, gibber, maunder, palaver, piffle, prate, prattle, tattle, twaddle.

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

smatter (verb)	tittle-tattle (verb)
speak with spotty or superficial knowledge	speak (about unimportant matters) rapidly and incessantly
to talk foolishly
work with in an amateurish manner