potency：威力，力量，权力；效力，效能；(男人的)性交能力  

词根词缀： -pot-能,能够 + -ency名词词尾

• plaudit
• plaudits
• plausibility
• plausible
• play
• playground
• playlist
• play-off
• playwright
• plaza
• plea
• plead
• pleasant
• pleasantry
• please
• pleased
• pleasing
• pleasure
• pleat
• pleather
• pleb
• plebe
• plebeian
• plebiscite
• plebs