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