Here's what rhymes with polycephalous.
hydrocephalus Words that almost rhyme with polycephalous
sedulous perilous venomous garrulous heftiness genesis stenosis mellitus sensuous tetanus credulous nebulous helpfulness pendulous querulous carefulness emeritus petulance fretfulness healthfulness eventfulness mechanise redolence resentfulness djellabas marabous fetidness jellabas zestfulness inheritance settlements relevance feminists sediments decadence gentleness pestilence tenuous asparagus incredulous tremulous irrelevance overemphasis baronets megabits restfulness dreadfulness fecklessness respectfulness terribleness testiness levelness sensibleness tepidness intelligence sentiments negligence prevalence regiments resonance specialists carelessness forgetfulness helplessness membranous pathogenesis precipice tenements beneficence licentiousness recklessness requisites clarinets celebrants interrogates senselessness decadents directionless infectiousness decimates nonvenomous developments experiments benevolence precedence impediments restlessness blessedness preeminence preparedness malevolence morphogenesis breathlessness testaments preciousness presentiments detriments disinheritance relentlessness defencelessness defenselessness impetuousness portentousness secondments housemistress incestuousness neglectfulness precedents embarrassments prerequisites temperaments angiogenesis geneticists pleasantness integuments registrants pretentiousness unpreparedness perfectionists momentousness tendentiousness redevelopments tempestuousness dextrousness conscientiousness embryogenesis contentiousness nonspecialists unpleasantness spermatogenesis nonresidents contemptuousness gluconeogenesis