Diechyr, a. sturdy; inflexible
Diedfydd, a. certain, doubtless
Diedifar, a. impenitent
Dieding, a. unrestrained
Diedlaes, a. without drooping
Diedlid, a. without anger
Diedliw, a. reproachless
Diedlym, a. without pungency
Diedmyg, a. without reverence
Diedrin, a. without battle