Erganu, v. to sing, to celebrate
Erglyw, n. listening, attention
Erglywed, v. to listen, to hear
Erglywiad, n. a listening
Ergryd, n. a trembling, dread: v. to tremble; to terrify
Ergrydiad, n. tremulousness
Ergrydio, v. to cause, to quake
Ergrydiol, a. tending to agitate
Ergryf, a. endowed with strength
Ergryn, n. terror, horror, dread