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