Trilling rhymes with:
drilling, grilling, rilling, thrilling, billing, chilling, dilling, distilling, drilling, filling, fulfilling, grilling, hilling, instilling, killing, milling, pilling, quilling, rilling, schilling, shilling, skilling, spilling, swilling, thrilling, tilling, unwilling, willing, zwilling
Trilling sounds like:
thrilling, trailing, trillions, trolling, twirling