hospital care vs hospitalization

hospital care and hospitalization both are nouns.

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

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

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

Other synonyms of hospital care include hospitalisation.

hospital care (noun)	hospitalization (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