Here's what rhymes with protoplant.
                        
                        
                    
                                plant  grant  cant  chant  slant  implant  scant  supplant  transplant  Words that almost rhyme with protoplant
land  branch  planned  brand  ranch  bland  hand  band  grand  sand  lamp  gland  banned  strand  canned  flange  manned  ramp  tramp  fanned  tanned  demand  stand  camp  damp  damned  hanged  avalanche  clamp  crammed  jammed  scanned  slammed  banged  spanned  unplanned  command  stamp  overland  fatherland  understand  expand  contraband  hinterland  firsthand  reprimand  withstand  secondhand  misunderstand  last  draft  laughed  rat  tract  blast  lacked  trapped  wrapped  draught  branched  lashed  raft  tracked  racked  rapt  that  fact  passed  past  fast  sat  cast  fat  flat  vast  attract  cat  craft  hat  packed  shaft  backed  caste  dashed  glanced  graft  hast  matched  react  bat  chat  classed  cracked  danced  flashed  mapped  mast  mat  pact  ranked  shalt  tact  tapped  capped  chanced  clapped  crashed  hatched  pat  slapped  thatched  canst  clashed  detract  hacked  lapsed  mashed  massed  patched  sacked  slashed  splashed  strapped  tacked  tat  vat  yanked  advanced  abstract  attached  attacked  adapt  detached  grasped  elapsed  snapped  snatched  taxed  thanked  camped  clamped  clasped  cramped  distract  enact  flanked  gasped  harassed  masked  scratched  smashed  spat  stacked  staffed  waxed  aghast  amassed  banked  damped  recast  repast  retract  smacked  stat  impact  exact  enhanced  extract  collapsed  intact  interact  relaxed  despatched  dispatched  financed  habitat  stamped  surpassed  artifact  diplomat  photographed  subtract  overlapped  relapsed  transact  counteract  handicapped  encamped  caveat  democrat  handicraft  overcast  telegraphed  unsurpassed  aristocrat  thermostat  enthusiast  mimeographed