Here's what rhymes with birefringement.
infringement impingement Words that almost rhyme with birefringement
stringent limit pigment shipment astringent abridgment flippant pendent abridgement slimmest fitment distant minute brilliant fulfillment digit enrichment fulfilment richest frigate rivet grimaced demised midget limpet dimmest grimmest jennet reshipment shrillest slickest spirit equipment sufficient visit commitment efficient assistant nearest witnessed biggest contingent malignant resistant ticket dearest cricket illicit millet picket pivot strictest billet biscuit distanced enlistment fiercest fittest resilient skillet triplet violinist bigot delimit sublimate wicket endearment snippet spigot swiftest brisket civet deliquescent gimlet gymnast privet tippet trinket bewitchment devilment officiant sickest stiffest weirdest disenchant divot reenlistment trivet whippet briskest giblet hiccoughed hippest nymphet inherent persistent coherent deficient indifferent simplest delinquent existent indignant adherent insistent proficient omniscient severest diffident oviduct transshipment maleficent queerest encystment austerest bedevilment consistent coefficient explicit insufficient implicit inefficient inhibit prohibit reminiscent beneficent cleverest palimpsest sincerest outdistanced preterit inspirit intermittent incoherent equidistant coexistent complicit nonmalignant nonresistant inconsistent nonexistent immunodeficient