23
1. auricular 2. delegate 3. endemic 4. casual 5. causal 6. frankincense 7. improbable 8. acerbity 9. kidnap 10. gamboge 11. fumigate 12. delicious 13. impede 14. endue 15. alabaster 16. Gemini 17. zoöphyte 18. borough 19. mulish 20. fundamental 21. piebald 22. rectangular 23. callous 24. gendarme 25. sheathe 26. energetic 27. piecemeal 28. cephalic 29. lager-beer 30. barilla