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