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