Keep or change the 'y'

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Across
  1. 3. When something is late or slowed down.
  2. 4. Looked at or learned something carefully.
  3. 5. Very nice to look at.
  4. 6. The least difficult.
  5. 7. Being used or taken.
  6. 8. Held and moved something.
Down
  1. 1. A feeling of happiness or fun.
  2. 2. Can be trusted.
  3. 4. Remained in one place.
  4. 5. Put under the ground.