promotor：发起人；倡导者，赞助人

词根词缀：pro-前 + -mot-移动 + -or名词词尾

• coven
• covenant
• cover
• coverage
• covert
• covet
• covetous
• cow
• coward
• cowardly
• cowboy
• cowchip
• cower
• cowhide
• cowl
• cowlick
• cowpea
• cowrie
• cowslip
• cox
• coxcomb
• coxswain
• coy
• coyote
• coypu