ulceration vs ulcerate

ulceration is a noun but ulcerate is not a noun.

Word	Noun	Adjective	Verb	Adverb
ulceration	Yes	No	No	No
ulcerate	No	No	Yes	No

ulceration (noun)	ulcerate (noun)
the process of ulcer formation; the process of becoming ulcerated
a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue

ulceration (verb)	ulcerate (verb)
	affect with an ulcer
	undergo ulceration