Formation of Nouns from Adjectives

S. No Adjective Noun 1. Able Ability 2. Active Activity 3. Brave Bravery 4. Clever Cleverness 5. Certain Certainty 6. Cheap Cheapness 7. Cruel Cruelty 8. Deep Depth 9. Equal Quality 10. Efficient Efficiency 11. Free Freedom 12. False False hood 13. Generous Generosity 14. Greedy Greed 15. Happy Happiness 16. Hard Hardship 17. High height 18. Human Humanity 19. Innocent Innocence 20. Just Justice

S. No Verb Noun 21. Long Length 22. Little Littleness 23. Moral Morality 24. Necessary Necessity 25. Possible Possibility 26. Public Publicity 27. Pure Purity 28. Poor Poverty 29. Regular Regularity 30. Real Reality 31. Rich Richness 32. Safe Safety 33. Stupid Stupidity 34. Simple Simplicity 35. Strong Strength 36. True Truth 37. Vacant Vacancy 38. Wide Width 39. Wise Wisdom 40. Young Youth