1. fortuitous lucky; occurring by happy chance
  2. veritable not counterfeit or copied
  3. fruticose of or relating to or resembling a shrub
  4. vertex the highest point of something
  5. vortex a powerful circular current of water
  6. four times by a factor of four
  7. fruitless unproductive of success
  8. Ceratopsia horned dinosaurs
  9. Bradypus type genus of the Bradypodidae: three-toed sloths
  10. forceps an extractor consisting of a pair of pincers used in medical treatment (especially for the delivery of babies)
  11. fertilise make fertile or productive
  12. fore-topsail the topsail on a foremast
  13. avoirdupois a system of weights based on the 16-ounce pound
  14. for keeps for the winner to keep all
  15. fortress a fortified defensive structure
  16. fretsaw fine-toothed power saw with a narrow blade
  17. foretop a platform at the head of a foremast
  18. vertebra one of the bony segments of the spinal column
  19. variedness characterized by variation
  20. wiretapper someone who wiretaps a telephone or telegraph wire