| cryptanalyst | cryptanalyste |
| Crypteia | Kryptie |
| Cryptex | Cryptex |
| cryptic | sibyllin |
| cryptically | énigmatiquement |
| Crypto-anarchism | Crypto-anarchisme |
| Crypto-fascism | Crypto-fascisme |
| Cryptococcus neoformans | Cryptococcose |
| Cryptodira | Cryptodires |
| cryptogam | cryptogame |
| cryptogram | cryptogramme |
| cryptographer | cryptographe |
| cryptography | cryptographie |
| cryptologic | cryptologique |
| cryptology | cryptologie |
| cryptomeria | cèdre du Japon |
| Cryptomorphism | Cryptomorphisme |
| Cryptomys | Cryptomys |
| Cryptonomicon | Cryptonomicon |
| Cryptool | Cryptool |
| Cryptophagidae | Cryptophagidae |
| Cryptoporticus | Cryptoportique |
| cryptorchidism | cryptorchidie |
| Cryptosporidiosis | Cryptosporidiose |
| Cryptosporidium | Cryptosporidium |
| Cryptosystem | Cryptosystème |
| cryptozoological | cryptozoologique |
| cryptozoology | cryptozoologie |
| Crypts of Lieberkühn | Cryptes de Lieberkühn |
| crystal | cristal |
| crystal ball | boule de cristal |
| Crystal habit | Habitus |
| Crystal Palace | Crystal Palace |
| Crystal Palace transmitting station | Émetteur de Chrystal Palace |
| crystal set | récepteur à cristal |
| Crystal skull | Crâne de cristal |
| Crystal structure analysis | Diffractométrie de rayons X |
| Crystal system | Système cristallin |
| crystal-clear | nettement défini |
| crystalline | cristallin |
| crystallisation | cristallisation |
| crystallization | cristallisation |
| crystallize | cristalliser |
| Crystallographic defect | Défaut cristallin |
| Crystallographic point group | Groupe ponctuel de symétrie |
| crystallography | cristallographie |
| Crytek | Crytek Studios |
