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