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