hospitalization vs hospitalize

hospitalization is a noun but hospitalize is not a noun.

Word	Noun	Adjective	Verb	Adverb
hospitalization	Yes	No	No	No
hospitalize	No	No	Yes	No

hospitalization (noun)	hospitalize (noun)
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

hospitalization (verb)	hospitalize (verb)
	admit into a hospital