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