Dialeddgar, a. vengeful, vindictive
Dialeddiad, n. an avenging
Dialeddol, a. avenging
Dialeddu, v. to avenge
Dialfawr, Dialgar, a. revengeful
Dialiad, n. a revenging
Dialu, v. to revenge
Dialw, a. uncalled, unnamed
Dialydd, n. an avenger
Dialyddiaeth, n. vengeance