blabber vs palaver

blabber and palaver both are nouns.

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

As verbs, blabber and palaver are synonyms defined as:

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

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

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

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