1 Syllablecosts, frosts
Now you can make multisyllabic rhymes in the new rhymit app :)
2 Syllablesaccosts, costas, costeas, costes, costess, costles, costus, defrosts, exhausts, frostles, lostnes, tostes
3 Syllablesexhaustles, holocausts
4 Syllablespentecostals, pentecostys