Here's what rhymes with cobego.
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 beaux cho dau dicho mow noe roe sho yeux zo dunno rho tarot turbot whoa doh kayo pekoe below flow blow slow snow throw pro plateau undergo fro chateau hello indigo portico thro bio calico propos tableau aliquot floe tableaux topos tuo bro chateaux plateaux stow throe trow kapok sloe overgrow gateau gateaux borzoi schmo schmoe although overthrow audio bestow buffalo overflow patio bungalow dynamo forego forgo nouveau polio vertigo apropos cameo domino escrow medico outgrow rodeo siglo afterglow trousseau chapeau oleo piccolo undertow deathblow regrow bandeau chapeaux trousseaux resew ratio radio embryo studio folio stereo politico spatio adagio foreknow matzoh pompano fatso romeo tallyho archipelago mistletoe oregano pistachio microdot presidio mustachio moustachio portfolio braggadocio pianissimo impresario generalissimo