1. Not derivative or imitative
   "a natural underivative poet"

See also: original

• filefish
• filename
• filename extension
• filer
• filet
• filet de boeuf en croute
• filet mignon
• filial
• filial duty
• filial love
• filiate
• filiation
• filibeg
• filibuster
• filibusterer
• Filicales
• filicide
• Filicinae
• Filicopsida
• filiform
• kite
• kite balloon
• kite mark
• kite tail
• kitembilla