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