Noun prefixes

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Across
  1. 2. The next heading following the main heading.
  2. 4. We have these to show we are good enough for a job.
  3. 6. A non-fiction story about yourself.
  4. 9. We can use this to stop infection.
  5. 10. A famous person's signature for you to collect.
Down
  1. 1. Who will save the day?
  2. 3. What we use to stop our windscreen freezing.
  3. 5. The next title following the main title.
  4. 7. When people talk and do things together.
  5. 8. This will hold something fast.