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