Poppleton rhymes with:
congleton, crunkleton, eggleton, hambleton, pembleton, pingleton, congleton, crunkleton, eggleton, hambleton, pembleton, pingleton
Poppleton sounds like:
paladin, paladino, palatine, paldon, palladino, palladium, pallidotomy, palton, pelton, piltdown, platen, platinum, platona, platoon, platten, plowden, plutonian, plutonium, politano, pollution, population, poulton