The term "equal power" can be expressed in a variety of ways depending on the context. For instance, it can be referred to as "balanced control," where two parties have an equal say or influence on a particular decision or situation. Another synonym for equal power is "parity," which implies equal status or rank among individuals or groups. "Equity" is also a suitable word, implying the fair and just distribution of power, resources, and opportunities. "Symmetry" is another word that implies equal power, reflecting a sense of balance or equality in a system or relationship. Finally, "even-handedness" is synonymous with equal power, indicating impartiality and fairness towards all parties involved.