ulcerate vs affect

ulcerate is not a noun while affect is a noun.

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

As verbs, affect is a hypernym of ulcerate; that is, affect is a word with a broader meaning than ulcerate:

ulcerate (noun)	affect (noun)
	the conscious subjective aspect of feeling or emotion

ulcerate (verb)	affect (verb)
affect with an ulcer	act physically on; have an effect upon
undergo ulceration	have an effect upon
	make believe with the intent to deceive
	have an emotional or cognitive impact upon
	connect closely and often incriminatingly