Expending rhymes with:
misspending, spending, suspending, depending, impending, misspending, pending, spending, suspending, amending, apprehending, ascending, attending, befriending, bending, blending, commending, comprehending, condescending, contending, defending, depending, descending, ending, extending, fending, impending, intending, lending, mending, misspending, offending, overextending, pending, portending, pretending, recommending, relending, rending, sending, spending, suspending, tending, transcending, trending, unbending, unending, vending, wending