crematory vs mortuary

crematory and mortuary both are nouns.

Word	Noun	Adjective	Verb	Adverb
crematory	Yes	No	No	No
mortuary	Yes	Yes	No	No

As nouns, mortuary is a hypernym of crematory; that is, mortuary is a word with a broader meaning than crematory:

crematory: a mortuary where corpses are cremated
mortuary: a building (or room) where dead bodies are kept before burial or cremation

Other hypernyms of crematory include dead room, morgue.

crematory (noun)	mortuary (noun)
a furnace where a corpse can be burned and reduced to ashes	a building (or room) where dead bodies are kept before burial or cremation
a mortuary where corpses are cremated

crematory (adjective)	mortuary (adjective)
	of or relating to a funeral
	of or relating to or characteristic of death