WORD BUILDING

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Across
  1. 3. 1overpriced
  2. 4. 1rediscover
  3. 7. 1monosyllabic
  4. 10. 1autodestruct
  5. 11. 1misinterpret
  6. 12. 1heartless
  7. 14. 1biquarterly
Down
  1. 1. 1catproof
  2. 2. 1semiautomatic
  3. 5. 1prehistoric
  4. 6. 1postcolonial
  5. 8. 1understaffed
  6. 9. 1powerful
  7. 13. 1negotiable