Here's what rhymes with protohomosexual.
                        
                        
                    
                                homosexual  psychosexual  heterosexual  Words that almost rhyme with protohomosexual
sectional  sensual  festival  spectacle  vegetable  textual  directional  sceptical  seminal  correctional  sentinel  medical  chemical  terrible  cerebral  flexible  sensible  exceptional  marital  perceptual  decimal  genital  parable  retinal  skeletal  skeptical  attentional  legible  tenable  bearable  execrable  inflectional  obsessional  testable  caramel  tentacle  correctable  wearable  convectional  inflexional  perfectible  recessional  spendable  pentacle  perceptional  weldable  bendable  electable  professional  conventional  acceptable  accessible  dimensional  numerical  clerical  respectable  susceptible  amenable  credible  intentional  perceptible  plentiful  confessional  detectable  pedestal  receptacle  segmental  illegible  impeccable  ineffable  bidirectional  delectable  extensional  photochemical  concessional  inedible  processional  collectible  unexceptional  amendable  breathable  collectable  conceptional  stretchable  complexional  connectable  detectible  spreadable  connectible  quenchable  hypothetical  incredible  intestinal  biochemical  congressional  inaccessible  unacceptable  commendable  dependable  inflexible  insensible  lamentable  unbearable  unconventional  untenable  defensible  detestable  ostensible  polemical  unidirectional  unintentional  alchemical  chimerical  digestible  expendable  geochemical  intertextual  presentable  preventable  undetectable  unprofessional  urogenital  prophetical  impressible  insusceptible  repairable  suggestible  extendable  forgettable  preventible  suppressible  comestible  unwearable  congenital  impregnable  premarital  regrettable  trigeminal  unforgettable  compressible  expressible  histochemical  indefensible  indigestible  threedimensional  twodimensional  unquenchable  contestable  dispensable  extensible  nonprofessional  semiprofessional  undependable  premedical  subprofessional  unpreventable  nonclerical  nonnumerical  noncollectable  indispensable  contemptible  inexpressible  irrepressible  incontestable  intracerebral  physicochemical  anticlerical  paramedical  paraprofessional  recommendable  alphanumerical  comprehensible  multidimensional  reprehensible  extramarital  incompressible  gastrointestinal  musculoskeletal  immunohistochemical