The word "rivalings" may not be very commonly used in everyday language, but there are several synonyms that can be used in its place. Some of these synonyms include competitors, adversaries, challengers, foes, opponents, and contenders. Each of these words conveys a similar meaning to "rivalings," which suggests a sense of competition or rivalry between two parties. While some of these synonyms may have slightly different nuances or connotations, they can all be used interchangeably to describe a situation where two or more entities are vying for the same goal or outcome. Overall, there are many ways to express the idea of "rivalings" in language through the use of synonyms.