Overdamping rhymes with:
antidumping, bumping, camping, chomping, clamping, clumping, cramping, crimping, damping, dumping, jumping, lamping, limping, lumping, pimping, pumping, ramping, revamping, romping, scrimping, skimping, slumping, stamping, stomping, stumping, swamping, tamping, thumping, tramping