What is another word for "battle"?

Roget's Thesaurus (1911) lists these synonyms for "battle": action, addle, alone, amphitheater, anvil, arena, bear, boxing, camp, campus, canvas, circus, cockpit, collapse, complete, course, down, drawn, drop, fall, field, fire, forget, game, garden, going, ground, gymnasium, halves, hand, hang, hippodrome, hustings, incomplete, incompleteness, inexecution, leave, let, lose, lull.