Nouns opposites

Across

2. Suitability
3. Mortality
4. Encouragement
5. Convenience
6. Sanity
7. Politeness
13. Belief
14. Approval
16. Tolerance

Down

1. Satisfaction
3. Morality
5. Visibility
8. Relevance
9. Ability
10. Decency
11. Patience
12. Trust
15. Literacy