chit-chat vs jawbone

chit-chat and jawbone both are nouns.

Word	Noun	Adjective	Verb	Adverb
chit-chat	Yes	No	Yes	No
jawbone	Yes	No	Yes	No

As verbs, jawbone is a hyponym of chit-chat; that is, jawbone is a word with a more specific, narrower meaning than chit-chat:

Other hyponyms of chit-chat include schmoose, schmooze, shmoose, shmooze.

chit-chat (noun)	jawbone (noun)
light informal conversation for social occasions	the jaw in vertebrates that is hinged to open the mouth

chit-chat (verb)	jawbone (verb)
talk socially without exchanging too much information	talk idly or casually and in a friendly way