Supplement and Surtax

Supplement noun - Something added (as by growth).

Surtax and supplement are semantically related. In some cases you can use "Surtax" instead a noun "Supplement".

Nearby Words: supplementary, supplemental, supplemented, supplementing, supplementation

Surtax noun - An additional tax on certain kinds of income that has already been taxed.

Supplement and surtax are semantically related. Sometimes you can use "Supplement" instead a noun "Surtax".