American spelling vs minimization

American spelling and minimization both are nouns.

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

American spelling (noun)	minimization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of reducing something to the least possible amount or degree or position