Clotting rhymes with:
allotting, blotting, plotting, slotting, allotting, blotting, botting, dotting, otting, plotting, rotting, slotting, spotting, squatting, trotting, yachting
Clotting sounds like:
caladiums, caledonian's, clayton's, clothing, cloudiness, clouding, coagulating, coalition's, coalitions, coldness, colliding, colluding