Across
1. Ref
3. Beech marten
8. Pallor
9. Password
10. Abyss
11. Moate
13. Block
15. Mortise and tenon
16. Rampage
20. Lance
21. Tonga
23. Motto
24. Protocol
25. Cornea
26. Demonstrate
27. Nit
Down
1. Replacement
2. Fill your boots
4. Caption
5. Assam
6. Thomas Moore
7. Ned
12. Expectorant
13. Basel
14. Knave
18. Inhaler
19. Inform
22. Adorn
24. Pad