palaver vs gibber

palaver and gibber both are nouns.

Word	Noun	Adjective	Verb	Adverb
palaver	Yes	No	Yes	No
gibber	Yes	No	Yes	No

As verbs, palaver and gibber are synonyms defined as:

palaver and gibber: speak (about unimportant matters) rapidly and incessantly

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

palaver (noun)	gibber (noun)
loud and confused and empty talk	unintelligible talking
flattery intended to persuade

palaver (verb)	gibber (verb)
have a lengthy discussion, usually between people of different backgrounds	speak (about unimportant matters) rapidly and incessantly
influence or urge by gentle urging, caressing, or flattering	chatter inarticulately; of monkeys
speak (about unimportant matters) rapidly and incessantly