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