Here's what rhymes with rav.
                        
                        
                    
                                have  halve  Words that almost rhyme with rav
as  laugh  ash  ass  wrath  rash  lash  lass  lath  has  half  class  gas  glass  mass  pass  path  cash  grass  hath  bath  brass  crash  flash  graph  alas  bass  calf  clash  dash  jazz  math  trash  cache  sash  chaff  hash  mash  slash  bras  brash  crass  gash  thrash  bash  gaff  staff  whereas  smash  splash  harass  amass  giraffe  morass  stash  behalf  surpass  impasse  digraph  hourglass  epitaph  autograph  epigraph  paragraph  photograph  aftermath  telegraph  monograph  phonograph  fiberglass  lithograph  underclass  holograph  polygraph  psychopath  sassafras  mimeograph  valve