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

• premodifier
• premonition
• prenatal
• prenuptial agreement
• preoccupation
• preoccupied
• preoccupy
• preordained
• prep
• prepaid
• preparatory
• prepare
• prepayment
• preponderant
• preponderate
• prepone
• preposition
• prepossessing
• preposterous
• prepotent
• preprandial
• pre-qualifying
• prequel
• pre-record
• preregister