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