assail, assault, attack, beset, bushwhack, charge, descend (on or upon), go in (on), jump (on), raid, rush, set on, sic(also sick), storm, strike, trash, turn (on)

bum-rush, gang up (on), mob, swarmmug, robambuscade, ambush, surprise(also surprize), waylayblitz, bomb, bombard, nukebarrage, cannon, cannonadebang away (at), batter, buffet, plasterbeleaguer, besiege, pressharry, loot, pillage, plunder, ravage, sackforay, invade, overrunenvelop, flank

beat up on, fly at, go at, light into, pitch into, round on, set at, set upon, tear into