Arson rhymes with:
barson, carson, farson, garson, karson, larsen, larson, larsson, marson, mccarson, parson
Arson sounds like:
aragon, aragona, arcana, arcane, arcanum, archenemy, argon, argonne, arisen, arison, arizona, arizonan, arkin, arraign, arreguin, arrigoni, arseneau, arsenio, arzama