Compound nouns

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Across
  1. 4. forever
  2. 6. it is the opposite to full-time job
Down
  1. 1. confusion, misunderstanding
  2. 2. when you read it, you like it
  3. 3. when you don't need a return ticket, you take this
  4. 5. most of things we use do not exist in nature, they are...