chat vs schmooze

chat and schmooze both are nouns.

Word	Noun	Adjective	Verb	Adverb
chat	Yes	No	Yes	No
schmooze	Yes	No	Yes	No

As nouns, chat and schmooze are synonyms defined as:

Other synonyms of chat include confab, confabulation, schmoose.

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

Other hyponyms of chat include jawbone, schmoose, shmoose, shmooze.

chat (noun)	schmooze (noun)
songbirds having a chattering call	an informal conversation
birds having a chattering call
an informal conversation

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