Knowing "ie" From "ei"

123456789101112131415
Across
  1. 3. suggesting something supernatural, strange or odd
  2. 7. the upper interior surface of a room
  3. 8. protect someone or something from danger, risk or an unpleasant experience
  4. 10. to cause pain, distress or difficulty to become less severe
  5. 11. to get or acquire something
  6. 13. accept the statement of someone to be true
  7. 15. a feeling of relaxation following release from pain or anxiety
Down
  1. 1. characteristic of a county or language other than one’s own
  2. 2. the action of receiving something or the fact of it being received
  3. 4. the use of free time for enjoyment
  4. 5. not one or the other, none
  5. 6. to do successfully typically by effort courage or skill
  6. 9. to be situated beside or very near another
  7. 12. used before the first of two coordinates
  8. 14. a leader or ruler of people or a clan