Chengdu rhymes with:
adieu, ado, badu, deux, dew, do, doo, douwe, du, due, katmandu, ledoux, long-overdue, outdo, overdo, overdue, pas-de-deux, perdue, purdue, redo, seydoux, subdue, undo, undue, urdu, yabbadabbadoo
Chengdu sounds like:
canasta, canoeist, canonized, canwest, changed, chemist, cinched, cincotta, coincide, coincided, comcast, commenced, communicate, communicated, communist, comsat, concede, conceded, conceit, conceited, conchita, conchoid, concoct, concocted, congest, congested, conjugate, conjugated, connaught, connect, connected, conquest, consist, consisted, constitute, constituted