• 1. optimist
• 2. complement
• 3. mameluke
• 4. LinnÆan
• 5. infringement
• 6. gratefully
• 7. archipelago
• 8. collision
• 9. inducement
• 10. exaction
• 11. lethargy
• 12. discursive
• 13. complementary
• 14. complimentary
• 15. maltreat

• 16. opprobrious
• 17. prismatic
• 18. retribution
• 19. discretionary
• 20. skilful
• 21. tasselled
• 22. colloquy
• 23. twelfth
• 24. retrocession
• 25. volcanoes
• 26. privilege
• 27. optional
• 28. marchioness
• 29. exaltation
• 30. loquacious

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