Seldon rhymes with:
selden, belden, beldon, elden, meldon, selden, shelden, sheldon, welden, weldon
Seldon sounds like:
saladin, saladino, salatino, saldana, salton, schlottman, scholten, schooltime, schulten, scialdone, seldane, selden, seldin, seldom, shackelton, shackleton, shelden, sheldon, shelton, skeleton, skelton, skilton, slaten, slaton, slatten, slatton, slayden, slaydon, slayton, sletten, slowdown, soldan, soldano, solution, sultan, sulton