Santorum rhymes with:
aurum, borum, corum, decorum, forum, gorham, gorum, oram, orum, quiram, quorum, shoreham, sorum, yoram
Santorum sounds like:
sanhedrin, schneiderman, skenderian, smithereen, smitherman, smotherman, smothermon, sonderman, sumatran, sunderman, symtron, syndrome