words their way crossword puzzle

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Across
  1. 3. a book listing individuals
  2. 7. the action of delivery
  3. 9. the second month of the year
  4. 10. something that is difficult to understand
  5. 11. a complete list of items
  6. 14. the component of a robot
  7. 15. not moving or not intended to move
  8. 17. with no special or distinctive features
Down
  1. 1. the natural features of a landscape
  2. 2. a large bedroom for a lot of people
  3. 4. the study of past events
  4. 5. someone employed by an individual
  5. 6. writing paper especially with matching
  6. 8. a period of 100 years
  7. 12. required to be done
  8. 13. a building or groups of buildings
  9. 16. an act of defeating an enemy