Dodo, judo, redo and undo are 4 letter words. They end with the letters do.
Stall.
One option is the word conga.
Delay.
tattoo
congo
* jumbo * giant * hefty * large
empty
The Welsh word "wyres" is pronounced as "oo-eh-res," with a soft "oo" sound like in "food," followed by a short "eh" as in "bed," and ending with "res" pronounced like "ress." The emphasis is generally on the second syllable.
igloo
Three (3).
armoramberbikerboxercatercolorcoverdinerdiverelderfavorflourgiverhikerhumorinnerjokerlaborlemurlaserloserliterleverloverlivermajormakermayormanormotorminormoverneverownerolderpokerpowerrazorriverrumorsaversavorseversobertatertowertakertruertumorwaterwiper
utau. oo-TAH-oo