Root word 'struct'

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Across
  1. 4. something that was built
  2. 6. the act of taking down something that was built
  3. 7. to build/form an idea
  4. 9. a person who builds
Down
  1. 1. process of building something
  2. 2. to block away from things that are built
  3. 3. to take down something that was built
  4. 5. underlying parts that make up an establishment
  5. 8. to build again