Tableaux rhymes with:
tableau, tableau, bleau, blow, blowe, tableau, aglo, aglow, belleau, below, bleau, blow, blowe, boileau, cloe, clow, enloe, enlow, enslow, flo, floe, flow, flowe, furlaud, glo, gloe, glow, groleau, guillot, hello, inlow, ledlow, leleux, lo, loe, loh, low, lowe, mealo, rouleau, sloe, slow, soileau, tableau, valleau, veilleux
Tableaux sounds like:
table's, tables, tadpoles, tbilisi, tebelskis, teeples, tibbals, tobolski, topless, topology, topolski, topples