One word substitutes

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Across
  1. 2. Writing one's own life story
  2. 9. A person who talks too much
  3. 14. A person who loves books
  4. 15. A speech given at a funeral
  5. 16. That which can be copied
  6. 18. A person who does not believe in God
  7. 19. A place where birds are kept
  8. 20. Study of birds
Down
  1. 1. A person who collects stamps
  2. 3. A government ruled by a king or queen
  3. 4. One who loves ones own country
  4. 5. A place where dead bodies are kept before burial () (6 letters)
  5. 6. Fear of Water
  6. 7. A person who speaks many languages ()
  7. 8. One who believes in fate Mortuary
  8. 10. Killing of human being
  9. 11. A handwriting that cannot be read
  10. 12. Government by officials
  11. 13. A place where old objects are kept
  12. 17. A book published after the death of the author