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