Nifty Thrifty Review

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Across
  1. 3. rule: change "y" to "i" to add "ful"
  2. 5. root word: cover
  3. 6. not finished
  4. 7. root word: press
  5. 8. opposite of dependence
  6. 12. runs the state government
  7. 13. rule: change "y" to "i" to add "er"
  8. 15. root word: class
  9. 17. prefix means "the most"
  10. 19. root word: port
  11. 20. costing a lot of money
Down
  1. 1. plays an instrument
  2. 2. root word: happy
  3. 4. opposite of possible
  4. 9. root word: courage
  5. 10. without hope
  6. 11. suffix means "a person who"
  7. 14. it powers your house
  8. 16. prefix means "under or below"
  9. 18. suffix means "the way of doing something"