intensive care vs medical care

intensive care and medical care both are nouns.

Word	Noun	Adjective	Verb	Adverb
intensive care	Yes	No	No	No
medical care	Yes	No	No	No

As nouns, medical care is a hypernym of intensive care; that is, medical care is a word with a broader meaning than intensive care:

intensive care: close monitoring and constant medical care of patients with life-threatening conditions
medical care: professional treatment for illness or injury

Other hypernyms of intensive care include medical aid.

intensive care (noun)	medical care (noun)
close monitoring and constant medical care of patients with life-threatening conditions	professional treatment for illness or injury