mortuary vs morgue

mortuary and morgue both are nouns.

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

As nouns, mortuary and morgue are synonyms defined as:

mortuary and morgue: a building (or room) where dead bodies are kept before burial or cremation

Other synonyms of mortuary include dead room.

mortuary (noun)	morgue (noun)
a building (or room) where dead bodies are kept before burial or cremation	a building (or room) where dead bodies are kept before burial or cremation

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