Closing rhymes with:
disclosing, enclosing, foreclosing, disclosing, enclosing, foreclosing, composing, decomposing, disclosing, disposing, dozing, enclosing, exposing, foreclosing, hosing, imposing, juxtaposing, nosing, opposing, overexposing, posing, predisposing, proposing, reimposing, rosing, supposing
Closing sounds like:
calgene's, calkins, callousness, caulking, caulkins, chalking, clackamas, clashing, classing, clausing, clicking, cloaking, clocking, clogging, closeness, closings, clucking, coalescence, coalescing, collegians, collisions