Beef up and Run up

Beef up verb - To increase the ability of (as a muscle) to exert physical force.

Run up and beef up are semantically related In some cases you can use "Run up" instead a verb "Beef up".

Run up verb - Pile up (debts or scores).

Beef up and run up are semantically related in adjoin topic. Sometimes you can use "Beef up" instead a verb "Run up", if it concerns topics such as improve.