excrescence vs excrescent

excrescence is a noun but excrescent is not a noun.

Word	Noun	Adjective	Verb	Adverb
excrescence	Yes	No	No	No
excrescent	No	Yes	No	No

excrescence (noun)	excrescent (noun)
(pathology) an abnormal outgrowth or enlargement of some part of the body
something that bulges out or is protuberant or projects from its surroundings

excrescence (adjective)	excrescent (adjective)
	forming an outgrowth (usually an excessive outgrowth)