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