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