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