Silent letters crossword

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Across
  1. 3. Uncertainty or lack of confidence
  2. 5. The joint of a finger where it bends
  3. 6. A medieval warrior on horseback
  4. 7. Young sheep
  5. 8. Serious or formal in nature
Down
  1. 1. Vertical pillar or post
  2. 2. Season between summer and winter
  3. 3. Money owed to someone
  4. 4. The short, thick finger on the side of the hand
  5. 6. Tangled or twisted fastening