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