Nouns opposites

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Across
  1. 7. Tolerance
  2. 8. Approval
  3. 11. Encouragement
  4. 14. Visibility
  5. 15. Mortality
  6. 17. Ability
  7. 18. Belief
Down
  1. 1. Trust
  2. 2. Morality
  3. 3. Relevance
  4. 4. Convenience
  5. 5. Politeness
  6. 6. Literacy
  7. 9. Patience
  8. 10. Sanity
  9. 11. Satisfaction
  10. 12. Suitability
  11. 13. Maturity
  12. 16. Decency