American spelling vs hypophysectomize

American spelling is a noun but hypophysectomize is not a noun.

Word	Noun	Adjective	Verb	Adverb
American spelling	Yes	No	No	No
hypophysectomize	No	No	Yes	No

American spelling (noun)	hypophysectomize (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')

American spelling (verb)	hypophysectomize (verb)
	remove the pituitary glands