cinerarium vs recess

cinerarium and recess both are nouns.

Word	Noun	Adjective	Verb	Adverb
cinerarium	Yes	No	No	No
recess	Yes	No	Yes	No

As nouns, recess is a hypernym of cinerarium; that is, recess is a word with a broader meaning than cinerarium:

cinerarium: a niche for a funeral urn containing the ashes of the cremated dead
recess: an enclosure that is set back or indented

Other hypernyms of cinerarium include niche.

cinerarium (noun)	recess (noun)
a niche for a funeral urn containing the ashes of the cremated dead	a pause from doing something (as work)
	an enclosure that is set back or indented
	an arm off of a larger body of water (often between rocky headlands)
	a small concavity
	a state of abeyance or suspended business