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