hospital vs creche

hospital and creche both are nouns.

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

As nouns, creche is a hyponym of hospital; that is, creche is a word with a more specific, narrower meaning than hospital:

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

hospital (noun)	creche (noun)
a health facility where patients receive treatment	a hospital where foundlings (infant children of unknown parents) are taken in and cared for
a medical institution where sick or injured people are given medical or surgical care	a representation of Christ's nativity in the stable at Bethlehem