Here's what rhymes with compositioi.
so though show tho fo foe ho ceux faut hoe sew soe vo sho zo no know go 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 although below ago blow grow pro glow quo bestow buffalo chateau crow hello bio nouveau uno tuo bro chateaux trow chapeau deathblow kayo chapeaux fatso borzoi resew ratio overthrow undergo audio overflow folio stereo forego forgo tableau vertigo aglow dicho escrow siglo tableaux topos dunno trousseau adagio kapok oleo pistachio tarot turbot undertow foreknow gateau matzoh gateaux pekoe trousseaux tallyho radio embryo plateau studio indigo patio bungalow dynamo polio politico propos aliquot cameo domino medico mistletoe outgrow presidio rodeo spatio afterglow plateaux piccolo overgrow regrow bandeau pompano mustachio romeo moustachio portico calico apropos oregano pianissimo microdot portfolio archipelago impresario braggadocio generalissimo