letter string ough

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Across
  1. 3. however
  2. 4. a sudden sound you make when you're ill
  3. 6. zero
  4. 7. a town which sends representatives to Parliament
  5. 8. to have taken part in a violent struggle
Down
  1. 1. part of a tree
  2. 2. a large farming implement
  3. 3. complete in detail
  4. 5. as much as required