gabble vs piffle

gabble and piffle both are nouns.

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

As verbs, gabble and piffle are synonyms defined as:

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

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

gabble (noun)	piffle (noun)
rapid and indistinct speech	trivial nonsense

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