hospitalization vs American spelling

hospitalization and American spelling both are nouns.

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

hospitalization (noun)	American spelling (noun)
placing in medical care in a hospital	English orthography used in the United States (characterized by 'analyze', 'center', 'usable')
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