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