Here's what rhymes with impr.
                        
                        
                    
                                whimper  Words that almost rhyme with impr
timber  injure  timbre  limber  winter  hinder  ginger  cinder  tinder  hinter  winder  printer  reenter  clincher  splinter  sprinter  midwinter  teleprinter  inner  whisper  shipper  simmer  dimmer  shimmer  zipper  dipper  chipper  figure  river  differ  dinner  liver  silver  bitter  mirror  nearer  bigger  liquor  richer  hither  killer  litter  pillar  singer  sinner  thicker  thinner  thither  vigor  whither  winner  filler  fissure  giver  mixer  nigger  pitcher  rigor  shiver  vicar  bidder  dearer  fitter  glimmer  miller  sitter  skipper  swimmer  tiller  wicker  wither  clipper  digger  fiercer  fisher  hitter  slipper  fixer  kicker  picker  ringer  sicker  ticker  trimmer  whisker  wisher  bicker  chiller  dither  enure  flipper  grimmer  gripper  jigger  pilfer  rigger  scissor  skimmer  slimmer  titter  wringer  zither  picture  mixture  sister  filter  finger  clearer  trigger  builder  quicker  thinker  emitter  fixture  flicker  glitter  linger  victor  quiver  elixir  mister  sliver  spinner  sticker  stiffer  thriller  tinker  assignor  bringer  critter  lifter  sinker  stripper  driller  fritter  guilder  kilter  pincer  quitter  slicker  slither  snicker  stinger  twitter  vintner  familiar  deliver  scripture  tincture  beginner  blister  drinker  lawgiver  swifter  trickster  upriver  vizier  clinker  embitter  minster  stringer  chorister  drifter  scribbler  scrivener  twister  consider  admixture  resistor  sphincter  stricter  stricture  configure  spinster  sprinkler  bewilder  disfigure  downriver  distiller  prefigure  resister  unfamiliar  predictor  caterpillar  quicksilver  babysitter  franchisor  freethinker  transistor  transmitter  reconsider  expositor  gravedigger  transfigure  discomfiture  constrictor  neurotransmitter