Решение:
- 1. revise - revision
- 2. analyse - analysis
- 3. translate - translation
- 4. retire - retirement
- 5. collect - collection
- 6. discuss - discussion
- 7. vandalise - vandalism
- 8. investigate - investigation
- 9. memorise - memorisation
- 10. improve - improvement
Ответ: revision, analysis, translation, retirement, collection, discussion, vandalism, investigation, memorisation, improvement.