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