American spelling vs hydrolyze

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

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

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

American spelling (verb)	hydrolyze (verb)
	undergo hydrolysis; decompose by reacting with water