Spellings

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Across
  1. 3. medicine delivered through a syringe
  2. 4. grouping items or objects into smaller areas
  3. 5. the parts of a whole with a numerator and denominator
  4. 7. the outward force of a large reaction
Down
  1. 1. to ask if it is okay to do something
  2. 2. an idea or creation
  3. 5. the force generated when surfaces slide against each other
  4. 6. to cross a boundary into someone else's land