SYN and SYM

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Across
  1. 1. formal meeting to discuss a topic
  2. 2. make things work at the same time
  3. 3. same on both sides
  4. 4. (mathematics) a lack of symmetry
  5. 6. new combination of things that go together
  6. 8. a sign or indication of a problem or illness
  7. 10. made by a chemical process
Down
  1. 1. words with the same meaning
  2. 2. feel sorry for another person
  3. 3. A symbiotic relationship is one in which two organisms, organizations, or people intimately depend on each other, both acting to benefit the relationship.
  4. 5. concert or orchestra
  5. 7. simultaneous or contemporary
  6. 9. a group of symptoms