Comp and Congratulations

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

Congratulations and comp are semantically related in praise topic. In some cases you can use "Congratulations" instead a noun "Comp".

Congratulations noun - Best wishes.

Comp and congratulations are semantically related in blessing topic. Sometimes you can use "Comp" instead a noun "Congratulations", if it concerns topics such as praise.