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