Words with Prefixes non-, in-, and un-

1. nontoxic

2. income

3. unknown

4. unusual

5. involved

6. unlike

7. inspector

8. unless

9. indeed

10. nonprofit

11. invisible

12. nonsense

13. incredible

14. uncomfortable

15. inconsistent

16. unfortunately

17. nonfiction

18. nonviolent

19. uncover

20. informal

Extra Credit Words: a. skiing  b.