Unit 23 Spelling List (Week of April 11, 2011)

Base List

1. pollen
2. even
3. urban
4. seven
5. kitchen
6. reason
7. human
8. season
9. burden
10. wagon
11. oven
12. dragon
13. horizon
14. orphan
15. sudden
16. eleven
17. button
18. canyon
19. slogan
20. golden

Alternate List

1. ecosystem
2. precipitation
3. region
4. climate
5. creatures
6. specimen
7. oxygen
8. enlighten
9. American
10. swollen
11. common
12. Indian
13. pollen
14. citizen
15. sudden