Concordancia Strong's

1) to avenge, take vengeance, revenge, avenge oneself, be avenged, be punished
1a) (Qal)
1a1) to avenge, take vengeance
1a2) to entertain revengeful feelings
1b) (Niphal)
1b1) to avenge oneself
1b2) to suffer vengeance
1c) (Piel) to avenge
1d) (Hophal) to be avenged, vengeance be taken (for blood)
1e) (Hithpael) to avenge oneself