Cybolwr, n. a mingler
Cybydd, n. a miser, a niggard
Cybyddol, a. coveting, greedy
Cybydd-dod, n. avarice
Cybyddes, n. a female miser
Cybyddiad, n. a coveting
Cybyddiaeth, n. covetousness
Cybyddu, v. to act miserly
Cycyllog, a. hooded, cowled
Cycyllu, v. to wear a hood