Here's what rhymes with endoergonic.
                        
                        
                    
                                clonic  moronic  cyclonic  arachidonic  anticyclonic  Words that almost rhyme with endoergonic
chromic  gnomic  phobic  yogic  aerobic  homesick  trophic  stoic  biopic  heroic  anaerobic  eukaryotic  benzoic  bobolink  goldbrick  hydrophobic  hypertrophic  homophobic  agoraphobic  protozoic  claustrophobic