Across
- 4. Split in the Church
- 5. Lord who provides service and loyalty to a greater lord in exchange for land
- 7. Highest Church official in Constantinople
- 8. An Arab nomadic herder
- 9. A series of wars fought by knights
- 11. Latin term for the Middle Ages
- 12. A lord's estate
Down
- 1. Method of using reason to support Christian belief
- 2. Title of Russian rulers
- 3. Knights' code of conduct
- 6. Young trainee and assistant to a guild master
- 10. Investment money