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

• forecastle
• foreclose
• forecourt
• foredoomed
• forefather
• forefinger
• foregoing
• forehead
• foreign
• foreign-returned
• forelock
• foreman
• foremost
• forensic
• foreplay
• forerunner
• foresight
• foreskin
• forest
• forestall
• foretell
• forever
• forfeit
• forfeiture
• forfend