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

• powder room
• power
• powerful
• powerhouse
• power of attorney
• power-up
• powwow
• pox
• poxy
• practicable
• practical
• practice
• practise
• practitioner
• pragmatic
• pragmatics
• prairie
• praise
• praiseworthy
• praline
• pram
• prana
• prance
• prandial
• prang