Word:

  combat

1. combat (n)
  an engagement fought between two military forces.

2. combat (v)
  battle or contend against in or as if in a battle. "The Kurds are combating Iraqi troops in Northern Iraq". "We must combat the prejudices against other races".

3. combat (n)
  the act of fighting.

Words derived from combat
battlecombatbattleconflictengagementfightbattleconflictstrugglearmed combatcombatcombatfightfightingscrapbattlerbelligerentcombatantfighterscrapperaltercateargufydisputequarrelscrapcontendfightstrugglebattlecombat

combat is related to the topic
armed forcesarmed forcesarmed servicesarmed servicesmilitarymilitarymilitary machinemilitary machinewar machinewar machine

combat is an instance of
battleconflictengagementfightcontendfightstrugglebattleconflictstruggle

Word and things that fall within combat
belligerencyhostilitiestrench warfareaggressiondogfightwrestlegunfightgunplayshootoutbrushclashencounterskirmishclose-quarter fightingdogfightfencingin-fightingset-toimpactshockdogfighthasslerough-and-tumblescuffletussleaffaire d'honneurduelfistfightfisticuffsslugfestbangingbatteringbeatingwhippingaffraydisturbancefrayrufflebrawlfree-for-allcut-and-thrustknife fightsnickersneegang fightrumblesingle combat

combat is a part of or member of
warwarfare

Parts of or members of combat
blow