Pas-de-deux rhymes with:
adieu, ado, badu, yabbadabbadoo, adieu, ado, badu, chengdu, deux, dew, do, doo, douwe, du, due, katmandu, ledoux, long-overdue, outdo, overdo, overdue, perdue, purdue, redo, seydoux, subdue, undo, undue, urdu, yabbadabbadoo
Pas-de-deux sounds like:
packets, packwood's, pact's, pacts, pagoda's, pagodas, pastas, pastes, pastiche, pastiches, pasts, pectic, pesetas, pestka, pests, phagocytes, physicists, piaget's, pickets, pickett's, picts, pistachio, pistachios, pockets, posits, post's, post-attack, postage, postdates, posts, psychotic, pussycats