Webster’s Revised Unabridged Dictionary · 1913
Coequal
Co·e′qual (kō·ē′kwal), a. [L. coaequalis; co- + aequalis equal.] Being on an equality in rank or power. — n. One who is on an equality with another.
In once he come to be a cardinal, He'll make his cap coequal with the crown. Shak.