Menial and Run-of-the-mill

Menial adjective - Showing, expressing, or offered in a spirit of humility or unseemly submissiveness.

Run-of-the-mill and menial are semantically related. In some cases you can use "Run-of-the-mill" instead an adjective "Menial".

Run-of-the-mill adjective - Being of the type that is encountered in the normal course of events.

Menial and run-of-the-mill are semantically related. Sometimes you can use "Menial" instead an adjective phrase "Run-of-the-mill".