palaver vs empty talk

palaver and empty talk both are nouns.

Word	Noun	Adjective	Verb	Adverb
palaver	Yes	No	Yes	No
empty talk	Yes	No	No	No

As nouns, palaver and empty talk are synonyms defined as:

Other synonyms of palaver include empty words, hot air, rhetoric.

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

palaver (verb)	empty talk (verb)
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