Here's what rhymes with cyclopropenoid.
void annoyed ethmoid toyed joyed avoid enjoyed devoid choroid arachnoid glenoid sphenoid adenoid decoyed cloyed employed deployed steroid paranoid amyloid sigmoid solenoid convoyed hemorrhoid haemorrhoid destroyed unemployed rheumatoid overjoyed asteroid cuboid humanoid redeployed reemployed alkaloid carcinoid celluloid anthropoid underemployed mongoloid schadenfreude subarachnoid Words that almost rhyme with cyclopropenoid
deutsche soit droit adroit avoit quoit introit maladroit noised moiled joined boiled coined coiled poised soiled foiled toiled roiled spoiled enjoined rejoined recoiled adjoined broiled purloined uncoiled conjoined embroiled despoiled subjoined unspoiled reconnoitred charbroiled