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