Otting rhymes with:
allotting, blotting, botting, clotting, dotting, plotting, rotting, slotting, spotting, squatting, trotting, yachting
Otting sounds like:
o'donoghue, odoms, odonoghue, oetting, othman's, otten's, ottens, outdoing, outing, outings, outwitting