federative：联合的；联邦的；联盟的  

词根词缀： -feder-联盟,联合 + -ative形容词词尾

• platinum
• platitude
• platonic
• Platonic love
• Platonism
• platoon
• platter
• platypus
• plaudit
• plaudits
• plausibility
• plausible
• play
• playground
• playlist
• play-off
• playwright
• plaza
• plea
• plead
• pleasant
• pleasantry
• please
• pleased
• pleasing