Apt and Equal to

Apt adjective - Having a tendency to be or act in a certain way.

Equal to and apt are semantically related In some cases you can use "Equal to" instead an adjective "Apt".

Equal to adjective - Having the requisite qualities for.

Apt and equal to are semantically related in prepared topic. You can use "Apt" instead an adjective phrase "Equal to", if it concerns topics such as adept.