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