Alto relievo and Alto-relief

Alto relievo noun - A sculptural relief in which forms extend out from the background to at least half their depth.

Alto-relief and alto relievo are semantically related. In some cases you can use "Alto-relief" instead a noun phrase "Alto relievo".

Alto relievo and alto-relief are semantically related. Sometimes you can replace phrase "Alto relievo" with "Alto-relief", this phrases are similar.