Here's what rhymes with sincérité.
Words that almost rhyme with sincérité
gymslip init innit finished instinct thicket misfit signet thinnest fidget linnet fishnet cygnet resit district elicit solicit thickest figment widget piglet tidbit relit ringgit kismet nitwit pipit titbit dimwit physicked mishit exhibit unfinished clearest revisit mimicked careerist gearshift skinflint spearmint refinished stillest pinkest nitpicked diminished linguist quickest tourniquet redistrict deliquesced kibitzed brittlest distinguished extinguished relinquished undiminished impenitent undistinguished