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