S puzzle

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Across
  1. 1. salt water
  2. 3. free from risk or danger
  3. 5. seat for putting on a horse
  4. 6. cutting instrument
  5. 9. rough paper to rub off paint
  6. 10. unhappy
  7. 11. only thinking of yourself
  8. 12. group of words
  9. 14. place for learning
Down
  1. 1. poor medieval farm labourer
  2. 2. mixture of green vegetables
  3. 3. doctor who operates people
  4. 4. answer to a maths question
  5. 5. not int he sun (opposite)
  6. 6. tool for turning screws
  7. 7. school subject taught in lab
  8. 8. brass wind instrument
  9. 9. something that must not be told to others
  10. 12. large edible fish with pink flesh
  11. 13. farm animal