Spelling Lesson #21 (Words that end with -er and -est) Keep this list at home to study. Students should use these 20 words to complete the weekly spelling activity. 1. darker 2. darkest 3. smaller 4. smallest 5. happier 6. happiest 7. heavier 8. heaviest 9. larger 10. largest 11. braver 12. bravest 13. bigger 14. biggest 15. hotter 16. hottest 17. easier 18. easiest 19. younger 20. youngest