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