American spelling vs plagiarization

American spelling and plagiarization both are nouns.

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

American spelling (noun)	plagiarization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of plagiarizing; taking someone's words or ideas as if they were your own