blither vs chatter

blither is not a noun while chatter is a noun.

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

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

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

blither (noun)	chatter (noun)
	noisy talk
	the high-pitched continuing noise made by animals (birds or monkeys)
	the rapid series of noises made by the parts of a machine

blither (verb)	chatter (verb)
to talk foolishly	speak (about unimportant matters) rapidly and incessantly
	talk socially without exchanging too much information
	make noise as if chattering away
	cut unevenly with a chattering tool
	click repeatedly or uncontrollably