foundling hospital vs hospital

foundling hospital and hospital both are nouns.

Word	Noun	Adjective	Verb	Adverb
foundling hospital	Yes	No	No	No
hospital	Yes	No	No	No

As nouns, hospital is a hypernym of foundling hospital; that is, hospital is a word with a broader meaning than foundling hospital:

foundling hospital: a hospital where foundlings (infant children of unknown parents) are taken in and cared for
hospital: a health facility where patients receive treatment

Other hypernyms of foundling hospital include infirmary.

foundling hospital (noun)	hospital (noun)
a hospital where foundlings (infant children of unknown parents) are taken in and cared for	a health facility where patients receive treatment
	a medical institution where sick or injured people are given medical or surgical care