1. Spelling Lesson #28 Related words 1.5.6.F: Use grade appropriate conventions of language when writing and editing. Spell common, frequently used words correctly.

2. ability a-bil-i-ty

3. able a-ble

4. decompose de-com-pose

5. decomposition de-com-po-si-tion

6. familiar fa-mil-iar

7. family fam-i-ly

8. muscle mu-scle

9. muscular mu-scu-lar

10. meter me-ter

11. metric me-tric

12. precise pre-cise

13. precision pre-ci-sion

14. relate re-late

15. relative rel-a-tive

16. commerce com-mer-ce

17. commercial com-mer-cial

18. similar sim-i-lar

19. similarity sim-i-lar-ity

20. offense off-en-se

21. offensive off-en-sive