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