Puzzle & Wordplay Day

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Across
  1. 1. A grid puzzle with words crossing
  2. 4. A word spelled the same backward and forward
  3. 9. Vocabulary of a language
  4. 10. Letters mixed up to be unscrambled
  5. 12. Poem or puzzle with hidden words in initials
  6. 14. Puzzle using pictures to represent words
  7. 16. A puzzle using a set of letters to form words
  8. 18. Hint or piece of information in puzzles
  9. 19. A challenging mental puzzle
  10. 20. Someone who creates anagrams
  11. 21. Words that sound alike but differ in meaning
Down
  1. 2. A puzzling question to solve
  2. 3. Creative use of language
  3. 4. A problem designed to test ingenuity
  4. 5. A type of crossword with tricky clues
  5. 6. A word game or tongue twister
  6. 7. Number-placement puzzle
  7. 8. A word formed by rearranging letters
  8. 11. The building blocks of words
  9. 13. The arrangement of words in a sentence
  10. 15. To find the answer or solution
  11. 17. A mysterious puzzle or riddle