prattle vs piffle

prattle and piffle both are nouns.

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

As verbs, prattle and piffle are synonyms defined as:

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

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

prattle (noun)	piffle (noun)
idle or foolish and irrelevant talk	trivial nonsense

prattle (verb)	piffle (verb)
speak (about unimportant matters) rapidly and incessantly	act in a trivial or ineffective way
	speak (about unimportant matters) rapidly and incessantly