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