ic vs ick

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Across
  1. 5. occurring regularly, a __________ visit
  2. 9. something used to clean teeth
  3. 10. very large
  4. 11. a thin piece of wood
  5. 12. something that happens fast
Down
  1. 1. without life
  2. 2. relating to investigating a crime
  3. 3. a noise a pen can make
  4. 4. related to a whole system
  5. 6. musical in nature
  6. 7. something that bursts out suddenly
  7. 8. something slippery