Nouns

(n)struggle, battlean energetic attempt to achieve something“getting through the crowd was a real struggle”, “he fought a battle for recognition”
(n)conflict, struggle, battlean open clash between two opposing groups (or individuals)“the harder the conflict, the more glorious the triumph” (Thomas Paine), “police tried to control the battle between the pro- and anti-abortion mobs”
(n)strugglestrenuous effort“the struggle to get through the crowd exhausted her”

Verbs

(v)fight, strugglemake a strenuous or labored effort“She struggled for years to survive without welfare”, “He fought for breath”
(v)struggleto exert strenuous effort against opposition“he struggled to get free from the rope”
(v)clamber, scramble, shin, shinny, skin, struggle, sputterclimb awkwardly, as if by scrambling
(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”