WordNet: niche, recess

an enclosure that is set back or indented

• hypernym enclosure

• hyponym alcove, bay

• hyponym apse, apsis

• hyponym cinerarium, columbarium

• hyponym fireplace, hearth, open fireplace

• hyponym mihrab

niche

• (suomi) syvennys (synonyymi)

recess

• (englanti) recess (derivationally related)
• (suomi) syvennys (synonyymi)