Here's what rhymes with burthen.
earthen Words that almost rhyme with burthen
person personne version worsen assertion aversion coercion diversion immersion desertion perversion aspersion dispersion insertion exertion inversion reversion subversion incursion recursion submersion nonperson conversion excursion reassertion reinsertion anchorperson weatherperson introversion interspersion extraversion animadversion businessperson extroversion overexertion congressperson burden urban turban urchin bourbon ermine burgeon certain urine curtain sermon surgeon werden churchmen churchman ersten sturgeon worden wurden zircon mermen determine suburban workman churchwarden unburden uncertain overburden interurban exurban redetermine trencherman transferrin neurosurgeon predetermine