Double letter endings

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Across
  1. 3. small mound of earth
  2. 4. the person in charge
  3. 7. a male cow
  4. 9. opposite of hit in Battleship
  5. 11. riki-tiki-tembo fell into on of these
  6. 13. green stuff in yards
  7. 15. some don’t talk and some can say “mama”
  8. 16. girls wear these
Down
  1. 1. opposite of empty
  2. 2. we give April a hug, a ____, and a pet
  3. 4. the Liberty ____ is cracked
  4. 5. you use your nose to do this
  5. 6. if you don’t know the answer, you can try to _____
  6. 8. murder
  7. 10. schools have lots of _____rooms
  8. 12. chickens lay it
  9. 14. crossword puzzles have down and ______