American spelling vs hospitalization

American spelling and hospitalization both are nouns.

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

American spelling (noun)	hospitalization (noun)
English orthography used in the United States (characterized by 'analyze', 'center', 'usable')	placing in medical care in a hospital
	insurance that pays all or part of a patient's hospital expense
	the condition of being treated as a patient in a hospital
	a period of time when you are confined to a hospital