crypt (n.)
- alveolus
- antrum
- apse
- armpit
- baptistery
- barrow
- basement
- basin
- booth
- bowl
- box
- burial
- catacomb
- cave
- cavern
- cavity
- cell
- cellar
- cenotaph
- chamber
- chancel
- choir
- cist
- compartment
- concavity
- confessional
- crater
- crib
- cromlech
- cup
- depression
- dip
- dolmen
- fold
- follicle
- grave
- grotto
- hold
- hole
- hollow
- lacuna
- manger
- mastaba
- mausoleum
- monstrance
- nave
- ossuary
- pew
- pit
- porch
- presbytery
- pyramid
- reliquary
- room
- sacristy
- scoop
- sepulcher
- shell
- shrine
- sink
- sinus
- socket
- stall
- stupa
- tomb
- tope
- transept
- trough
- tumulus
- vault
- vestry
