conflict, collision

WAR
BATTLE
WordClue
BUMPlight blow or jolting collision
FIGHTconflict, combat
COMBATconflict, struggle
STRIFEconflict, discord
CONFLICTbattle, collision
STRUGGLEconflict, contention
VARIANCEdiscrepancy, conflict
ENCOUNTERconflict, fight
CONCUSSIONviolent collision or shock
CONTENTIONstrife, conflict
STRUGGLEconflict, battle
FIGHTconflict, combat