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