Nouns opposites

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