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