Comp and Make up for

Comp noun - Something given to someone without expectation of a return.

Make up for and comp are semantically related in pay back topic. In some cases you can use "Make up for" instead a verb "Comp".

Make up for verb - To balance with an equal force so as to make ineffective.

Comp and make up for are semantically related in balance topic. Sometimes you can use "Comp" instead a verb "Make up for", if it concerns topics such as return, pay back.