1 Syllablebet's, beths, bets, betts, bettws, betws, debt's, debts, duets, frets, gets, getts, jet's, jets, jett's, jetts, let's, lets, letts, met's, mets, metts, net's, nets, netxms, pet's, peths, pets, petts, rets, set's, seth's, sets, settss, sweats, threats, vets, wets, whets
Now you can make multisyllabic rhymes in the new rhymit app :)
2 Syllablesabets, begets, besets, beters, betis, betos, betoss, betsys, bettes, bettis, bettys, brevets, cadets, cornets, debtles, duetos, forgets, fretes, fretles, gettis, gettys, headsets, insets, layettes, letas, letis, letras, letsos, lettes, lettres, letups, metaxs, methis, metics, metnes, metras, metros, metus, netas, netops, netqos, netsys, nettis, octets, offset's, offsets, onset's, onsets, peta's, petats, pete's, petes, petits, petles, petras, petris, petros, petrus, petsos, pettas, pettis, pettus, quartet's, quartets, quintets, ramjets, regrets, resets, retas, reters, retes, rethes, retles, retos, retoss, retres, rettas, seters, setes, sethis, sethos, sethus, setis, setnes, setons, setos, setous, setthis, sublets, sunsets, sweatles, threatles, upsets, vetas, vetis, wetles, wetnes
3 Syllablesalphabet's, alphabets, banquettes, bassinet's, bassinets, briquettes, brunettes, cadetes, cadettes, castanets, cellarets, clarinets, coquettes, cornettes, corvettes, couchettes, croquettes, dinettes, epaulet's, epaulets, epithet's, epithets, falconets, forgetnes, gazettes, lunettes, mantelets, minarets, musettes, noisettes, palettes, pantalets, pipetters, pipettes, regretles, roomettes, rosettes, roulette's, roulettes, serviettes, spinnerets, statuettes, vedettes
4 Syllablescellarettes, cigarette's, cigarettes, launderettes, luncheonette's, luncheonettes, marionettes, pirouettes, sharecropper's, sharecroppers, silhouettes, suffragettes