gabfest vs confab

gabfest and confab both are nouns.

Word	Noun	Adjective	Verb	Adverb
gabfest	Yes	No	No	No
confab	Yes	No	Yes	No

As nouns, confab is a hypernym of gabfest; that is, confab is a word with a broader meaning than gabfest:

Other hypernyms of gabfest include chat, confabulation, schmoose, schmooze.

gabfest (noun)	confab (noun)
light informal conversation for social occasions	an informal conversation

gabfest (verb)	confab (verb)
	talk socially without exchanging too much information
	have a conference in order to talk something over