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