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