easy

123456789
Across
  1. 3. Measure
  2. 5. Hidden storage
  3. 7. Farm tool
  4. 9. Passageway
Down
  1. 1. Memory aid
  2. 2. Not obvious
  3. 4. Military rank
  4. 5. Sudden takeover
  5. 6. Grain
  6. 8. Exaggeration