Here's what rhymes with fiiiiii.
                        
                        
                    
                                iii  viii  iiii  xviii  xxviii  xxxviii  Words that almost rhyme with fiiiiii
easy  ity  fieri  seedy  seamy  phoebe  sheeny  freely  needy  speedy  feebly  leafy  sleepy  specie  leaky  nisi  serine  genie  genii  seemly  steamy  steely  weedy  beady  cheeky  cheesy  fleecy  mealy  meaty  peaty  reedy  sleazy  sneaky  sweetie  tipi  beefy  kiwi  midi  teeny  wheezy  freaky  weepy  beanie  freebie  geeky  peachy  peaky  sleety  weenie  weeny  chichi  lychee  peewee  wheelie  meanie  wheelies  wienie  meany  seemlier  weepie  freebee  peachier  chiefly  deeply  treaty  weekly  query  uneasy  greedy  ideally  keenly  neatly  weakly  cheaply  dreamy  greasy  steeply  sweetly  creamy  leucine  meekly  breezy  gipsy  libri  meanly  valine  creepy  queasy  squeaky  tsetse  zucchini  briny  creaky  measly  streaky  preachy  squeegee  yeasty  fleetly  sleekly  tweedy  dashiki  screechy  teensy  blini  cliquey  weensy  preachier  screechier  briefly  beastly  cleanly  naively  unseemly  carinii  graffiti  nomine  bikini  queenly  bleakly  unready  speakeasy  wapiti  greenly  terrine  patinae  unseemlier  routinely  uniquely  obliquely  priestly  tyrosine  entreaty  unwieldy  pontine  threonine  banditti  biweekly  martini  leonine  saturnine  genteelly  kerosine  fettuccine  stormily  greenfly  biyearly  extremely  discreetly  methionine  inferiorly  principe  discretely  uncleanly  gaberdine  linguine  semiweekly  umbilici  signorine  semiyearly  completely  tortellini  indiscreetly  barbarically  incompletely