Hark! The Herald Angels SingˌHark! The ˌHerald ˌAngels ˈSing 
a popular carol (=a traditional religious song sung at Christmas)
a popular carol (=a traditional religious song sung at Christmas)- cryogenic
- cryogenics
- crypt
- cryptic
- cryptically
- crypto-
- cryptographer
- cryptography
- crystal
- crystal ball
- crystal clear
- crystalline
- crystallization
- crystallize
- crystallized
- crystal meth
- Crystal Palace
- Cry, the Beloved Country
- crème caramel
- crème de la crème
- crème de menthe
- crème fraiche
- CSA
- CSE
- C-section