Carpool rhymes with:
blackpool, cesspool, claypool, claypoole, liverpool, texpool, vanderpool, whirlpool, agrifuel, blackpool, cesspool, claypool, claypoole, dromgoole, highschool, liverpool, minuscule, molecule, overrule, ridicule, rookstool, saccule, texpool, vanderpool, vestibule, whirlpool
Carpool sounds like:
caraballo, carabello, caravel, caravella, caravelle, caravello, carballo, careful, carefully, carpal, carvalho, carvel, carvell, carville, ceravolo, chairpeople, cheerful, cheerfully, corabelle, corbeil, corbel, corbell, corbello, courville, crabill, crable, cripple, crivelli, crivello, cropley, crovl, curable, curbelo