smatter vs gabble

smatter is not a noun while gabble is a noun.

Word	Noun	Adjective	Verb	Adverb
smatter	No	No	Yes	No
gabble	Yes	No	Yes	No

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

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

smatter (noun)	gabble (noun)
	rapid and indistinct speech

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