Noun
engine [pl. engines] , {motor}, {Auto.}
محرك {سيارات}
motor [pl. motors] , {mechanical engineering}, {ind.}
محرك {صناعة}
driver [pl. drivers]
mover [pl. movers]
instigator {feelings & emotions}
impulse [pl. impulses] , {fis.}
محرك {فزياء}
motivator [pl. motivators]
incentive [pl. incentives]