Shackleton rhymes with:
angleton, appleton, cannelton, carrollton, eagleton, egelton, hamilton, hazelton, hazleton, littleton, middleton, nettleton, pendleton, shingleton, singleton, stapleton, templeton, uselton, wattleton
Shackleton sounds like:
saladin, saladino, salatino, saldana, salton, schlottman, scholten, schooltime, schulten, scialdone, seldane, selden, seldin, seldom, seldon, shackelton, shelden, sheldon, shelton, skeleton, skelton, skilton, slaten, slaton, slatten, slatton, slayden, slaydon, slayton, sletten, slowdown, soldan, soldano, solution, sultan, sulton