prattle vs maunder

prattle is a noun but maunder is not a noun.

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

As verbs, prattle and maunder are synonyms defined as:

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

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

prattle (noun)	maunder (noun)
idle or foolish and irrelevant talk

prattle (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