funeral church vs morgue

funeral church and morgue both are nouns.

Word	Noun	Adjective	Verb	Adverb
funeral church	Yes	No	No	No
morgue	Yes	No	No	No

As nouns, morgue is a hypernym of funeral church; that is, morgue is a word with a broader meaning than funeral church:

funeral church: a mortuary where those who knew the deceased can come to pay their last respects
morgue: a building (or room) where dead bodies are kept before burial or cremation

Other hypernyms of funeral church include dead room, mortuary.

funeral church (noun)	morgue (noun)
a mortuary where those who knew the deceased can come to pay their last respects	a building (or room) where dead bodies are kept before burial or cremation