American spelling vs masculinization

American spelling and masculinization both are nouns.

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

American spelling (noun)	masculinization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the abnormal development of male sexual characteristics in a female (usually as the result of hormone therapies or adrenal malfunction)