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