Ridicule rhymes with:
molecule, minuscule, molecule, saccule, agrifuel, minuscule, molecule, saccule, vestibule, agrifuel, blackpool, carpool, cesspool, claypool, claypoole, dromgoole, highschool, liverpool, minuscule, molecule, overrule, rookstool, saccule, texpool, vanderpool, vestibule, whirlpool
Ridicule sounds like:
radical, radically, redoglia, reitzel, reutzel, ridgell, ridgely, ridgley, riedesel, ritzel, rudasill, rudesill, rudisill