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