recess vs mihrab

recess and mihrab both are nouns.

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

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

recess: an enclosure that is set back or indented
mihrab: (Islam) a niche in the wall of a mosque that indicates the direction of Mecca

Other hyponyms of recess include alcove, bay, apse, apsis, cinerarium, columbarium, fireplace, hearth, open fireplace.

recess (noun)	mihrab (noun)
a pause from doing something (as work)	(Islam) a niche in the wall of a mosque that indicates the direction of Mecca
an enclosure that is set back or indented	(Islam) a design in the shape of niche in a Muslim prayer rug; during worship the niche must be pointed toward Mecca
an arm off of a larger body of water (often between rocky headlands)
a small concavity
a state of abeyance or suspended business