confab vs confabulate

confab is a noun but confabulate is not a noun.

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

As verbs, confab and confabulate are synonyms defined as:

confab and confabulate: talk socially without exchanging too much information

As verbs, confab and confabulate are synonyms defined as:

confab and confabulate: have a conference in order to talk something over

Other synonyms of confab include confer, consult.

confab (noun)	confabulate (noun)
an informal conversation

confab (verb)	confabulate (verb)
talk socially without exchanging too much information	talk socially without exchanging too much information
have a conference in order to talk something over	have a conference in order to talk something over
	unconsciously replace fact with fantasy in one's memory