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