Here's what rhymes with perceptioi.
so though show tho fo foe ho ceux faut hoe sew soe vo sho zo no know go low co flow blow slow snow throw pro row lo bo doe dough fro mo po ro toe wo woe thro tow yo beau bio goe jo ko beaux cho dau floe mow noe roe tuo yeux bro rho stow throe trow sloe whoa doh fatso borzoi schmo schmoe although below ago grow glow quo audio bestow chateau crow hello nouveau uno dicho topos chateaux dunno trousseau chapeau tarot turbot deathblow kayo matzoh chapeaux pekoe trousseaux resew ratio radio embryo plateau studio buffalo folio indigo patio stereo forego forgo polio politico propos tableau vertigo aglow escrow medico outgrow presidio rodeo siglo spatio tableaux plateaux adagio kapok oleo pistachio foreknow bandeau gateau gateaux tallyho overthrow undergo overflow dynamo aliquot apropos cameo domino piccolo undertow overgrow regrow mustachio romeo portico bungalow calico mistletoe afterglow oregano pompano moustachio portfolio impresario braggadocio pianissimo microdot archipelago generalissimo