English Crossword Puzzle

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Across
  1. 2. Verb that functions as a noun
  2. 5. Antonym of Temporary
  3. 9. I am a dictionary
  4. 11. Synonym of enemy
  5. 14. Singular of data
  6. 15. Plural of Formula
  7. 17. World's greatest dramatist
  8. 18. I connect clauses/sentences
  9. 19. Synonym of hide
Down
  1. 1. Leading actor of Titanic
  2. 3. Author of Harry Potter
  3. 4. Singular of Indices
  4. 6. Father of English literature
  5. 7. Any list of source cited at the end of an academic work.
  6. 8. I am used instead of Noun
  7. 10. Plural of Curriculum
  8. 12. Antonym of Optimist
  9. 13. Synonym of lazy
  10. 16. Antonym of boring