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