Here's what rhymes with flatsedge.
                        
                        
                    
                                hedge  sedge  pledge  wedge  ledge  sledge  dredge  allege  Words that almost rhyme with flatsedge
said  head  set  fed  shed  fetch  shewed  vet  sett  get  yet  lead  led  let  met  read  red  bed  dead  step  ahead  bread  debt  net  threat  fled  sketch  thread  web  wet  bet  bred  dread  jet  sweat  upset  beset  pet  tread  bled  med  sped  stead  wed  wretch  duet  fret  prep  rep  sled  steppe  ted  pep  shred  spread  forget  stretch  offset  cassette  epithet  reset  beget  pipette  preset  arrowhead  diskette  rosette  statuette  unsaid  instead  regret  cigarette  overhead  alphabet  bayonet  misled  watershed  assayed  cadet  bedstead  brunette  embed  widespread  infrared  parapet  silhouette  clarinet  quartet  avenge  revenge