Ergrynawd, n. trepidation
Ergrynedig, a. made to tremble
Ergryniad, n. tremulation
Ergrynig, a. apt to tremble
Ergrynol, a. terrifying
Ergrynu, v. to tremble
Ergwydd, n. a tumble, a fall
Ergwyn, n. cause of complaint
Ergwyno, to make to complain
Ergyd, n. a propulsion, throw, cast; shot; stroke