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