chatter vs shmooze

chatter and shmooze both are nouns.

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

As verbs, shmooze is a hyponym of chatter; that is, shmooze is a word with a more specific, narrower meaning than chatter:

Other hyponyms of chatter include jawbone, schmoose, schmooze, shmoose.

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

chatter (verb)	shmooze (verb)
speak (about unimportant matters) rapidly and incessantly	talk idly or casually and in a friendly way
talk socially without exchanging too much information
make noise as if chattering away
cut unevenly with a chattering tool
click repeatedly or uncontrollably