Fight (noun)

Synonyms: fight, battle, war, conflict

fight: an occasion on which people try to hurt each other or knock each other down
Example: He got into a fight with boys who were bigger than him. Fights broke out between the protesters and the police.

battle: an occasion when large groups of soldiers fight each other using powerful weapons
Example: Many soldiers died in the first battle of the war.  the Battle of Hastings

war: a period of fighting between countries
Example: Millions of soldiers and civilians were killed during the war.

conflict: a war, or fighting as part of a war
Example:  the violent conflict between the neighbouring republics
Example: The government is engaged in armed conflict with rebel forces.