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