American spelling vs hybridize

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

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

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

American spelling (verb)	hybridize (verb)
	breed animals or plants using parents of different races and varieties