hybridization vs American spelling

hybridization and American spelling both are nouns.

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

hybridization (noun)	American spelling (noun)
(genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')