WORD SPIRAL

Starting from 1, fill in the grid clockwise with four-letter words. The last letter of each word becomes the first letter of the next to reveal a sailing ship.

1. Wound mark 2. Frolic 3. Couple 4. Relax 5. Petty quarrel 6. Unsightly fat 7. Group of countries 8. Price 9. Speak 10. Cabbage 11. Dutch cheese 12. Network 13. Sword part 14. Therefore 15. Went quickly 16. Intravenous food