Spelling list 2: Words with 'silent' letters

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Across
  1. 3. Side post of a doorway, window, or fireplace. (4 letters)
  2. 4. An acquired or natural skill. (5 letters)
  3. 6. A formal promise or assurance. (9 letters)
  4. 8. Do something considered beneath one's dignity. (5 letters)
  5. 10. A large building typically of the medieval period. (6 letters)
  6. 11. Speak about someone in a spitefully critical manner. (6 letters)
  7. 13. Struggle or fight with someone. (7 letters)
Down
  1. 1. A legal agreement for property. (8 letters)
  2. 2. Used to cover and protect something. (7 letters)
  3. 5. Having committed an offense. (6 letters)
  4. 7. A large boat used for racing or pleasure. (5 letters)
  5. 8. Scattered pieces of waste or remains. (6 letters)
  6. 9. A piece of land completely surrounded by water. (6 letters)
  7. 12. A passage between rows of seats. (5 letters)