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