chatter vs talk

chatter and talk both are nouns.

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

As nouns, talk is a hypernym of chatter; that is, talk is a word with a broader meaning than chatter:

Other hypernyms of chatter include talking.

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

Other hypernyms of chatter include mouth, speak, utter, verbalise, verbalize.

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

Other hypernyms of chatter include mouth, speak, utter, verbalise, verbalize.

chatter (noun)	talk (noun)
noisy talk	the act of giving a talk to an audience
the high-pitched continuing noise made by animals (birds or monkeys)	an exchange of ideas via conversation
the rapid series of noises made by the parts of a machine	idle gossip or rumor
	a speech that is open to the public
	discussion; (`talk about' is a less formal alternative for `discussion of')

chatter (verb)	talk (verb)
speak (about unimportant matters) rapidly and incessantly	express in speech
talk socially without exchanging too much information	exchange thoughts; talk with
make noise as if chattering away	reveal information
cut unevenly with a chattering tool	use language
click repeatedly or uncontrollably	deliver a lecture or talk
	divulge confidential information or secrets