ulcerate vs ulceration

ulcerate is not a noun while ulceration is a noun.

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

ulcerate (noun)	ulceration (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

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