palaver vs blabber

palaver and blabber both are nouns.

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

As verbs, palaver and blabber are synonyms defined as:

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

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

palaver (noun)	blabber (noun)
loud and confused and empty talk	one who reveals confidential information to the police or other authority
flattery intended to persuade

palaver (verb)	blabber (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
speak (about unimportant matters) rapidly and incessantly