Post-Test Time Filler (Spooky)

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Across
  1. 2. The priests of ancient Celtic culture.
  2. 5. A literal strawman to spook birds.
  3. 7. Spectral name for not replying.
  4. 8. The Celtic roots of Halloween.
  5. 9. A chilly night or brand of tea.
  6. 10. The original root vegetable carved for jack-o-lanterns.
  7. 12. A large pot for making potions.
  8. 14. The astronomical beginning of autumn.
  9. 15. This monster transforms 'neath the full moon.
Down
  1. 1. Transportation for witchy individuals.
  2. 3. Dia de los Muertos.
  3. 4. Feline companion.
  4. 5. The inner structure keeping bodies organized.
  5. 6. A sweet treat and the shorthand for a test of delayed gratification.
  6. 11. Sugar's attempt at grain.
  7. 13. A drink made from apples.