gabble vs smatter

gabble is a noun but smatter is not a noun.

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

As verbs, smatter is a hyponym of gabble; that is, smatter is a word with a more specific, narrower meaning than gabble:

Other hyponyms of gabble include babble, blather, blether, blither.

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

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