Donder rhymes with:
alexandre, blonder, bronder, conder, condor, fonder, gonder, mondor, navin-chandr, onder, ponder, responder, squander, swander, transponder, vonder, wander, yonder
Donder sounds like:
d'andrea, dandrea, deandrea, demeter, demetre, demetria, demetrio, demetriou, denature, denominator, denture, detonator, dewinter, diameter, dimitri, dmitri, domtar, dondero, dundore, dynamometer