Here's what rhymes with supergenus.
genus dirtiness podginess venous keenness spinous artiness cattiness maleness paleness saphenous cheeriness eeriness blurriness boniness furriness nippiness ferruginous resinous heartiness loftiness libidinous messiness parvenus hugeness meagreness mistiness noisiness staleness thriftiness phoniness sauciness shiftiness sombreness stoniness rosiness chanciness fieriness merriness severeness snootiness sorriness sportiness leeriness savouriness intravenous femaleness slipperiness orneriness corniness fanciness hungriness thorniness waxiness fleeciness multitudinous platitudinous extremeness arteriovenous pulchritudinous Words that almost rhyme with supergenus
patinas zenith arenas subpoenas verbenas hyenas behemoth marinas hyaenas tsarinas ballerinas sonatinas czarinas concertinas ocarinas genius cheapness peanuts adieus deepness pitas thesis weakness treatise fetus meanness meatus meekness neatness osseous rhesus specious capitis nevus prius rebus steepness treeless bleakness teacups betakes beechnuts briefness obliqueness tubeless heelless zebus zeniths sheilas prenups wapitis allegiance ingenious heterogeneous needless pretence sweetness grievous speechless heedless priestess seamless facetious leafless paribus dreamless greenness viscus fleetness seedless lenience meatless cleanups sapience sleekness speedups martinets weedless genteelness sereneness sequence achievements secrets completeness grievance impedance uniqueness credence leaflets reflux covetous sleepless egregious regents trapezius acacias sealants panaceas silicious theists nacreous yeshivas candidness urethras appeasements repleteness convenience treatments calcareous concreteness malfeasance myelitis sentience bereavements decedents discreteness behemoths discreetness agreements incompleteness frequents mendicants impeachments misfeasance senoritas orthopedists psychokinesis telekinesis inconvenience antecedents margaritas insentience orthopaedists enjambements infrequence disagreements extremists osteomyelitis poliomyelitis