natter vs chatter

natter is not a noun while chatter is a noun.

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

As verbs, natter and chatter are synonyms defined as:

natter and chatter: talk socially without exchanging too much information

natter (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

natter (verb)	chatter (verb)
talk socially without exchanging too much information	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