Given below are some words that are spelled differently in British and American English. Fill in the blanks accordingly.

British	American
1. colour	___________
2. __________	labour
3. ___________	traveler
4. counselor	___________
5. centre	___________
6. ___________	theater
7. __________	organize
8. realise	___________
9. ___________	defense
10. offence	________