infirmary vs creche

infirmary and creche both are nouns.

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

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

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

infirmary (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 representation of Christ's nativity in the stable at Bethlehem