Unit 20 — Nouns Built with Prefixes and Suffixes
1. impression
2. instruction
3. endurance
4. incident
5. insurance
6. importance
7. instance
8. influence
9. intention
10. recognition
11. experience
12. reconstruction
13. inspection
14. exclamation
15. invasion
16. extension
17. infection
18. inoculation
19. recitation
20. rejection
2. instruction
3. endurance
4. incident
5. insurance
6. importance
7. instance
8. influence
9. intention
10. recognition
11. experience
12. reconstruction
13. inspection
14. exclamation
15. invasion
16. extension
17. infection
18. inoculation
19. recitation
20. rejection