Arseneau rhymes with:
arceneaux, arsenault, arseneault, arceneaux, arsenault, arseneault, arceneaux, arsenault, arseneault, arceneaux, arsenault, arseneault, dandeneau, gelineau, hagenow, harpenau, landreneau, liebenow, marineau, molyneaux, russomanno, stabenow
Arseneau sounds like:
aragon, aragona, arcana, arcane, arcanum, archenemy, argon, argonne, arisen, arison, arizona, arizonan, arkin, arraign, arreguin, arrigoni, arsenio, arson, arzama