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