cook up vs confabulate

cook up and confabulate both are verbs.

Word	Noun	Adjective	Verb	Adverb
cook up	No	No	Yes	No
confabulate	No	No	Yes	No

As verbs, confabulate is a hyponym of cook up; that is, confabulate is a word with a more specific, narrower meaning than cook up:

Other hyponyms of cook up include mythologise, mythologize, concoct, trump up, spin, vamp, vamp up.

cook up (verb)	confabulate (verb)
concoct something artificial or untrue	talk socially without exchanging too much information
prepare or cook by mixing ingredients	have a conference in order to talk something over
	unconsciously replace fact with fantasy in one's memory