repair

vt.修理；补救 n.修理，修补；维修状况

renouncement, renovate, renovation, renovator, renown, renowned, rent, rent rebate, rent-free, rentable, rental, renunciation, reopen, reorder, reorganization, reorganisation, reorganize, reorganize, reorganise, rep, rep (also repp), repaid, repairable, repairer, repairmen, reparable, reparation, repartee, repast, repatriate, repatriation, repay, repayable, repayment, repeal, repeat, repeatable, repeated, repeatedly, repeater, repel, repellent,