knuckle with

compete contend defend vie

altercate attack battle brawl buck conflict cross duel feud hassle quarrel repel rival row rumpus scrap scuffle sock strike struggle tilt traverse withstand wrangle

break with fight over gang up on lay a finger on lay out put on gloves put up dukes set to square off take on

abandon desert leave surrender

agree aid assist concur harmonize help make peace support yield

allow give up resign