extortion：勒索，敲诈，强取，被勒索的财物

词根词缀：ex-出 + -tort-扭,拧 + -ion名词词尾

• offal
• offbeat
• off-Broadway
• offcut
• off-duty
• offence
• offend
• offense
• offensive
• offer
• offering
• offertory
• offhand
• office
• officer
• official
• officialdom
• officialese
• officiate
• officious
• offing
• off-license
• off-limits
• offline
• offload