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