psychological medicine vs confabulate

psychological medicine is a noun but confabulate is not a noun.

Word	Noun	Adjective	Verb	Adverb
psychological medicine	Yes	No	No	No
confabulate	No	No	Yes	No

psychological medicine (noun)	confabulate (noun)
the branch of medicine dealing with the diagnosis and treatment of mental disorders

psychological medicine (verb)	confabulate (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