47
1. caravansary 2. planning 3. shrapnel 4. regiment 5. inanity 6. whooping-cough 7. offsetting 8. bulletin 9. gouging 10. planetary 11. equestrian 12. knowledge 13. characteristic 14. avaricious 15. detrimental 16. grievance 17. equatorial 18. aquafortis 19. cinnamon 20. jurisprudence 21. implicate 22. mademoiselle 23. offset 24. detraction 25. poignancy 26. regally 27. synod 28. repartee 29. poisonous 30. equalization