Here's what rhymes with sixtenth.
tenth Words that almost rhyme with sixtenth
expense dense tense tens pence pens dens gens sixpence sense hence lens thence whence fence stems gems hens fens defence defense intense immense offence offense commence dispense suspense cleanse condense glens halfpence hems incense condemns pretense theorems harems twopence recompense recommence commonsense morphemes frankincense death depth stealth health wealth breath breadth neath length strength twelfth shibboleth commonwealth