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