crypto：(尤指信仰共产主义的)秘密成员   

词根词缀： -crypt-隐藏,秘密 + -o名词词尾

• repent
• repercussion
• repertory
• repetition
• repetitious
• replace
• replacement
• replay
• replenish
• replete
• replica
• replicate
• reply
• report
• reportage
• reporter
• repose
• repository
• repossess
• reprehend
• reprehensible
• represent
• re-present
• representation
• representative