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