crypt

(n) a cellar or vault or underground burial chamber (especially beneath a church)

Cryptacanthodes Cryptacanthodes maculatus cryptanalysis cryptanalyst cryptanalytic cryptanalytics cryptic cryptical cryptically cryptic coloration cryptobiosis cryptobiotic Cryptobranchidae Cryptobranchus Cryptobranchus alleganiensis Cryptocercidae Cryptocercus cryptococcosis cryptocoryne cryptogam Cryptogamia cryptogamic cryptogamous cryptogram Cryptogramma Cryptogramma acrostichoides Cryptogramma crispa Cryptogrammataceae cryptograph cryptographer cryptographic cryptographical cryptographically cryptography cryptologic cryptological cryptologist cryptology Cryptomeria Cryptomeria japonica cryptomonad Cryptophyceae Cryptophyta cryptophyte Cryptoprocta Cryptoprocta ferox cryptorchidism cryptorchidy cryptorchism Cryptotermes Cryptotermes brevis Cryptotis Cryptotis parva