Informal and formal Vocabulary

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Across
  1. 4. What is the formal form of the word "job"?
  2. 7. Is the word "kids" formal or informal?
  3. 8. Formal word for help?
  4. 9. Informal word for residence?
  5. 10. What is informal vocabulary in news?
Down
  1. 1. Formal word for buy?
  2. 2. Formal word for end?
  3. 3. What is the informal form of "residence"?
  4. 5. What is formal vocabulary in news?
  5. 6. Informal word for children?