Grilling rhymes with:
drilling, rilling, thrilling, trilling, billing, chilling, dilling, distilling, drilling, filling, fulfilling, hilling, instilling, killing, milling, pilling, quilling, rilling, schilling, shilling, skilling, spilling, swilling, thrilling, tilling, trilling, unwilling, willing, zwilling
Grilling sounds like:
garling, garlinghouse, gerling, grayling, growling, grueling