palaver vs babble

palaver and babble both are nouns.

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

As verbs, babble is a hyponym of palaver; that is, babble is a word with a more specific, narrower meaning than palaver:

Other hyponyms of palaver include blather, blether, blither, smatter.

palaver (noun)	babble (noun)
loud and confused and empty talk	gibberish resembling the sounds of a baby
flattery intended to persuade

palaver (verb)	babble (verb)
have a lengthy discussion, usually between people of different backgrounds	to talk foolishly
influence or urge by gentle urging, caressing, or flattering	divulge confidential information or secrets
speak (about unimportant matters) rapidly and incessantly	utter meaningless sounds, like a baby, or utter in an incoherent way
	flow in an irregular current with a bubbling noise