Here's what rhymes with ultraprivate.
                        
                        
                    
                                private  semiprivate  Words that almost rhyme with ultraprivate
riot  licet  climate  diet  pilot  brightest  pirate  diat  lightest  pliant  driest  trident  ripest  likest  rightest  highest  client  quiet  silent  finest  giant  slightest  biased  tyrant  triumphed  widest  strident  biassed  direst  tightest  blindest  nighest  blithest  fliest  rapidest  dewiest  lithest  acridest  chewiest  pallidest  alignment  licensed  migrant  defiant  silenced  vibrant  wisest  kindest  reliant  mildest  suppliant  hydrant  autopilot  divinest  alinement  licenced  chicest  horridest  tawdriest  beefiest  lucidest  snidest  assignment  refinement  unbiased  compliant  disquiet  realignment  unbiassed  unquiet  advisement  obeisant  vividest  precisest  screwiest  excitement  requirement  indictment  chastisement  acquirement  incitement  unlicensed  enticement  nonalignment  reassignment  enshrinement  advertizement  splendidest  unwisest  confinement  aggrandizement  consignment  aggrandisement  misalignment  concisest  concupiscent