confabulate vs confabulation

confabulate is not a noun while confabulation is a noun.

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

confabulate (noun)	confabulation (noun)
	(psychiatry) a plausible but imagined memory that fills in gaps in what is remembered
	an informal conversation

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