Silvestro rhymes with:
astro, austro, belcastro, bistro, buenrostro, castro, decastro, delmastro, dextro, disilvestro, gastro, haberstroh, locastro, maestro, magistro, mastro, nicastro, paternostro, policastro, verrastro, yastrow, zastrow
Silvestro sounds like:
silvester, silvestre, silvestri, sylvester, sylvestre