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