Cyhaddiad, n. impeachment
Cyhuddo, v. to impeach
Cyhuddol, a. impeaching
Cyhyd, so long, of equal length
Cyhydedd, co-extension; equation; the equator
Cyhydeddu, v. to co-extend
Cyhydiad, n. co-extension
Cyhydiaeth, n. a paroiomoion
Cyhydreg, n. mutual strife
Cyhyr, n. a muscle