1. floorboard a board in the floor
  2. floor board a board in the floor
  3. fluoroboride a salt of fluoroboric acid
  4. fool's paradise an illusory state of wellbeing
  5. fiberboard wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets
  6. fibreboard wallboard composed of wood chips or shavings bonded together with resin and compressed into rigid sheets
  7. larboard the left side of a ship or aircraft to someone who is aboard and facing the bow or nose
  8. forwards at or to or toward the front
  9. flashboard boarding place along the top of a dam to increase its height
  10. fall over backwards try very hard to please someone
  11. fall-board the hinged protective covering that protects the keyboard of a piano when it is not being played
  12. fallboard the hinged protective covering that protects the keyboard of a piano when it is not being played
  13. footboard a narrow platform on which to stand or brace the feet
  14. fluoroboric acid an acid of fluorine and boron
  15. flour beetle an insect that infests flour and stored grains
  16. soar upwards rise rapidly
  17. flower bed a bed in which flowers are growing
  18. flower bud a bud from which only a flower or flowers develop
  19. flowerbed a bed in which flowers are growing
  20. flare pass a short forward pass to a back who is running toward the sidelines