aud-, amp-

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Across
  1. 6. the process of making something bigger
  2. 8. you can see and hear it
  3. 10. a tryout for a club or event
  4. 11. inability to be heard
  5. 13. a person who does an official search of a company's account
  6. 14. to make something louder or grander
Down
  1. 1. something that makes it louder
  2. 2. the maximum loud it can get
  3. 3. related to the sense of hearing
  4. 4. past tense of making something louder
  5. 5. enough for more than enough
  6. 6. a crowd that gathers to watch an event
  7. 7. something that can be heard
  8. 9. ability to be heard
  9. 10. a big space for an audience to watch in
  10. 12. a official search of a company's account