Argonne rhymes with:
argon, argon, aragon, argon, hexagon, hogan, octagon, paragon, pentagon, polygon
Argonne sounds like:
aragon, aragona, arcana, arcane, arcanum, archenemy, argon, arisen, arison, arizona, arizonan, arkin, arraign, arreguin, arrigoni, arseneau, arsenio, arson, arzama