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