Here's what rhymes with chengqu.
woo wou wu whew to who you do two new too due knew du grew que u crew coup q qu shoe zu clue cue dew glue lieu queue shew su sue tu vous chew cu deux fu lu rue zoo bu hu ju jus ku loo mu nu peu pu seu shu sou vu yew yu boo chou chu coo cou doo ewe feu gu ru shou thu tue vou clew goo moo pooh poo shoo gnu roux thew through few true view blue drew threw blew flew screw anew canoe hue accrue flue slew stew adieu ado brew flu pew skew thru fue hew mieux shrew tzu vue mew endue indue kazoo slue phew wazoo achoo into pursue bamboo renew undue ensue taboo undo untrue piu tattoo beaucoup eschew kangaroo outdo sinew sprue vnto askew imbue outgrew redo strew halloo spew valuer zebu muumuu booboo regrew review interview revenue hitherto residue withdrew avenue debut retinue subdue caribou jusqu overdue revue shampoo overdo ballyhoo cockatoo honeydew bugaboo fondue foreknew marabou peekaboo bestrew buckaroo overshoe prevue overgrew atishoo overview rendezvous construe overthrew barbecue barbeque overflew superglue overdrew hullabaloo misconstrue