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