What word can you make with these letters O p t e I a I x n?

Opera, rat, tin, on, or, ore, tear, tore, torn, per, part, patio, patois, pat, pet, net, set, eat, ate, era, ton, tons, son, sonar, rent, sent, saint, pie, tie, sea, peas, ear, pear, rape, ripe, sea, trip, tip, top,pier, sore, sit, sat, pit, orate, oration,nest, rest, pest, spoon, root, soot, apt, tape, near, at, it, is, oats, pot, rot, port