gabble vs maunder

gabble is a noun but maunder is not a noun.

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

As verbs, gabble and maunder are synonyms defined as:

gabble and maunder: speak (about unimportant matters) rapidly and incessantly

Other synonyms of gabble include blab, blabber, chatter, clack, gibber, palaver, piffle, prate, prattle, tattle, tittle-tattle, twaddle.

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

gabble (verb)	maunder (verb)
speak (about unimportant matters) rapidly and incessantly	talk indistinctly; usually in a low voice
	speak (about unimportant matters) rapidly and incessantly
	wander aimlessly