fight - battle
"fight" — suggests any struggle towards a goal, more general than "bottle ". "battle " ~ refers most stmngiy to a specific fight that may be part of a larger war or disaster.

1. It was a desperate ... to win the tournament at all costs. 2. That ... produced the heaviest casualties of the war. 3. The ... broke out between two drunks but soon spread to the whole neighbourhood. 4. They were caught in the storm and had ... with the winds and waves. 5. The dogs ... over a bone. 6. He ... his way toward his goal.