Here's what rhymes with firul.
transferal Words that almost rhyme with firul
circle thermal verbal fertile servile herbal hurdle vernal hurtle journal colonel purple kernel girdle turtle dermal hurtful myrtle sternal gurgle curdle chervil burble burgle eternal reversal referral rehearsal diurnal infernal squirrel inertial infertile deferral encircle scleral mirthful forkful commercial external internal maternal paternal dispersal fraternal nonverbal tubercle isothermal geothermal subdural conferral demurral disbursal universal epidermal nocturnal epidural semicircle illiberal puerperal clitoral infomercial hydrothermal transversal bicameral controversial noncommercial noncontroversial