American spelling vs hybridization

American spelling and hybridization both are nouns.

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

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