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