Cychaid, n. a boat-full, a hive-full
Cychawl, a. boat-like; hive-like
Cychedd, n. a concavity
Cychiad, n. a covering; a hiving
Cychu, v. to cover; to hive
Cydfradu, v. to conspire
Cydfradwr, n. a conspirator
Cydfradwriaeth, n. a conspiracy
Cydfwriad, n. combination
Cydfwyta, v. to eat together