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