Extra Vowel ir/ur/er

12345678910
Across
  1. 4. something a bird does
  2. 6. the opposite of over
  3. 7. my mom keeps her money in this
  4. 8. lives in the sea but lays eggs on land
  5. 10. the opposite of under
Down
  1. 1. it has buttons
  2. 2. an animal that has wings
  3. 3. opposite of clean
  4. 4. my mom does this to her hair
  5. 5. takes care of sick people
  6. 7. a human being
  7. 9. an action or "doing" word