Here's what rhymes with oponen.
phonon Words that almost rhyme with oponen
bowmen bowman roman yeoman nomen showman showmen abdomen snowmen cognomen crossbowmen crossbowman businesswomen upperclasswomen chosen token potion bosun broken motion notion spoken colon shouldn stolen woven lotion boatman woken shogun rowan cozen stolon blowgun popgun brogan wonton devotion emotion frozen golden erosion corrosion molten slogan swollen coachman holden reopen cloven postman roentgen betoken coachmen demotion awoken cabochon sloven verboten promotion spokesman unbroken commotion outspoken unspoken beholden homespun implosion embolden bespoken kiloton rewoven explosion interwoven locomotion oxytocin protozoan handwoven refrozen misspoken ibuprofen plainspoken hemoglobin