ack words

6. A track for motor racing
9. Information about reactions to a product, a person's performance of a task
10. A stand with hooks on which to hang coats or hats
11. an act of revenge or retaliation.
15. A person who fells trees, cuts them into logs, or transports them
17. A very large black turtle with a thick leathery shell, living chiefly in tropical seas
18. A reversal or check in progress
19. To open and remove the contents from something. Eg suitcase
20. a back deformed by a sharp forward angle, forming a hump, typically caused by collapse of a vertebra

1. an attack made in response to one by an opponent
2. Causing someone to be distracted from an immediate or important issue, or to be diverted
3. A player stationed behind the centre who directs a team's offensive play
4. An accommodation for soldiers in a building or set of buildings
5. A very dark colour, or the opposite of white
7. To strike forcefully with a sharp blow
8. To steal an occupied car in a violent manner
12. The characteristic harsh sound made by a duck
13. A pile of objects, typically one on up the other that is neatly arranged
14. Packing too many items into something like a container
16. Taking aggressive military action against (a place or enemy forces) with weapons or armed force