hospitalization vs hospital care

hospitalization and hospital care both are nouns.

Word	Noun	Adjective	Verb	Adverb
hospitalization	Yes	No	No	No
hospital care	Yes	No	No	No

As nouns, hospitalization and hospital care are synonyms defined as:

hospitalization and hospital care: placing in medical care in a hospital

Other synonyms of hospitalization include hospitalisation.

hospitalization (noun)	hospital care (noun)
placing in medical care in a hospital	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