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