Sonny's amazing crossword

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Across
  1. 2. combining of parts into a whole
  2. 6. to make something available
  3. 8. mutually dependent
  4. 9. to make sense
  5. 10. to work together
Down
  1. 1. to make up for something
  2. 3. two equal parts
  3. 4. a turmoil situation
  4. 5. personal oddity
  5. 7. bring into mutual relation