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