invent vs confabulate

invent and confabulate both are verbs.

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

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

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

invent (verb)	confabulate (verb)
come up with (an idea, plan, explanation, theory, or principle) after a mental effort	talk socially without exchanging too much information
concoct something artificial or untrue	have a conference in order to talk something over
	unconsciously replace fact with fantasy in one's memory