American spelling vs quantization

American spelling and quantization both are nouns.

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

American spelling (noun)	quantization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	the act of dividing into quanta or expressing in terms of quantum theory