exponence / exponents [ɛkˈsponənts]
exponence – n. – 1. the realization of a linguistic category or feature in speech or writing; 2. rare the function of an exponent of something
exponents – n. pl. of exponent – 1. one that expounds or interprets; 2. one that represents or advocates; 3. Math a number or symbol, as 3 in (x+y)3 denoting the power to which another number or expression is to be raised (meaning to multiply by itself n times)