Turning Verbs into Nouns with 'tion'

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Across
  1. 1. operate
  2. 2. register
  3. 3. integrate
  4. 7. multiply
  5. 11. compete
  6. 14. attend
  7. 15. examine
  8. 16. produce
  9. 17. apply
Down
  1. 1. organise
  2. 4. relate
  3. 5. dictate
  4. 6. satisfy
  5. 8. inflate
  6. 9. reduce
  7. 10. educate
  8. 12. inform
  9. 13. reaction
  10. 15. erupt
  11. 18. create