Silent letters

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Across
  1. 2. Something that makes things visible
  2. 3. A sacred song or hymn
  3. 4. A medieval soldier in armour
  4. 7. High respect or esteem
  5. 9. To cook in an oven
Down
  1. 1. The thickest finger on your hand
  2. 2. To hear attentively
  3. 5. mythical garden creature
  4. 6. Part of your body connecting hand and arm
  5. 8. Not feeling nervous or anxious