blither vs palaver

blither is not a noun while palaver is a noun.

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

As verbs, palaver is a hypernym of blither; that is, palaver is a word with a broader meaning than blither:

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

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

blither (verb)	palaver (verb)
to talk foolishly	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