piffle vs maunder

piffle is a noun but maunder is not a noun.

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

As verbs, piffle and maunder are synonyms defined as:

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

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

piffle (noun)	maunder (noun)
trivial nonsense

piffle (verb)	maunder (verb)
act in a trivial or ineffective way	talk indistinctly; usually in a low voice
speak (about unimportant matters) rapidly and incessantly	speak (about unimportant matters) rapidly and incessantly
	wander aimlessly