American spelling vs mechanization

American spelling and mechanization both are nouns.

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

American spelling (noun)	mechanization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of implementing the control of equipment with advanced technology; usually involving electronic hardware
	the condition of having a highly technical implementation