Nouns

(n)battle, conflict, fight, engagementa hostile meeting of opposing military forces in the course of a war“Grant won a decisive victory in the battle of Chattanooga”, “he lost his romantic ideas about war when he got into a real engagement”
(n)fight, fighting, combat, scrapthe act of fighting; any contest or struggle“a fight broke out at the hockey game”, “there was fighting in the streets”, “the unhappy couple got into a terrible scrap”
(n)competitiveness, fightan aggressive willingness to compete“the team was full of fight”
(n)fightan intense verbal dispute“a violent fight over the bill is expected in the Senate”
(n)fighta boxing or wrestling match“the fight was on television last night”

Verbs

(v)contend, fight, strugglebe engaged in a fight; carry on a fight“the tribesmen fought each other”, “Siblings are always fighting”, “Militant groups are contending for control of the country”
(v)fight, oppose, fight back, fight down, defendfight against or resist strongly“The senator said he would oppose the bill”, “Don't fight it!”
(v)fight, strugglemake a strenuous or labored effort“She struggled for years to survive without welfare”, “He fought for breath”
(v)crusade, fight, press, campaign, push, agitateexert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for“The liberal party pushed for reforms”, “She is crusading for women's rights”, “The Dean is pushing for his favorite candidate”