dge, ge, tion

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Across
  1. 2. sweet treat
  2. 3. to make different
  3. 7. big
  4. 8. to put in motion
  5. 10. a title or heading
Down
  1. 1. bump or poke
  2. 4. finding the sum
  3. 5. extremely large
  4. 6. country
  5. 9. a choice