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