tittle-tattle vs schmooze

tittle-tattle and schmooze both are nouns.

Word	Noun	Adjective	Verb	Adverb
tittle-tattle	Yes	No	Yes	No
schmooze	Yes	No	Yes	No

As nouns, schmooze is a hypernym of tittle-tattle; that is, schmooze is a word with a broader meaning than tittle-tattle:

Other hypernyms of tittle-tattle include chat, confab, confabulation, schmoose.

tittle-tattle (noun)	schmooze (noun)
light informal conversation for social occasions	an informal conversation

tittle-tattle (verb)	schmooze (verb)
speak (about unimportant matters) rapidly and incessantly	talk idly or casually and in a friendly way