hot air vs palaver

hot air and palaver both are nouns.

Word	Noun	Adjective	Verb	Adverb
hot air	Yes	No	No	No
palaver	Yes	No	Yes	No

As nouns, hot air and palaver are synonyms defined as:

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

hot air (noun)	palaver (noun)
loud and confused and empty talk	loud and confused and empty talk
air that has been heated and tends to rise	flattery intended to persuade

hot air (verb)	palaver (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