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