Here's what rhymes with phosphoh.
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 fatso schmo schmoe ago blow grow pro glow quo audio chateau crow hello bio forego forgo nouveau uno tuo bro chateaux trow chapeau foreknow kayo matzoh chapeaux borzoi resew below ratio overthrow bestow buffalo overflow folio patio vertigo aglow aliquot cameo dicho escrow siglo topos dunno trousseau adagio kapok oleo tarot turbot deathblow bandeau gateau gateaux pekoe trousseaux tallyho radio plateau studio undergo stereo calico polio propos tableau apropos domino outgrow rodeo spatio tableaux afterglow plateaux pistachio undertow overgrow regrow mustachio romeo moustachio embryo indigo portico bungalow dynamo medico mistletoe oregano piccolo pompano portfolio presidio pianissimo microdot politico impresario braggadocio archipelago generalissimo