Here's what rhymes with malchanceux.
so though show tho fo foe ho ceux faut hoe sew soe vo 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 nouveau beaux cho dau floe mow noe roe yeux rho stow throe sloe whoa doh bandeau schmo schmoe although ago blow grow pro glow quo audio chateau crow hello patio bio uno cameo domino tuo bro chateaux trousseau trow chapeau tarot kayo matzoh chapeaux fatso trousseaux borzoi tallyho resew below ratio plateau undergo bestow buffalo folio bungalow dynamo forego forgo polio propos tableau aglow aliquot dicho escrow siglo tableaux topos dunno plateaux adagio kapok oleo turbot undertow deathblow foreknow gateau pompano gateaux pekoe romeo moustachio radio embryo overthrow studio overflow indigo portico stereo calico vertigo apropos medico mistletoe outgrow rodeo spatio afterglow oregano pianissimo piccolo overgrow regrow mustachio portfolio presidio pistachio microdot archipelago politico impresario braggadocio generalissimo