cool compound word by precious

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Across
  1. 2. the lower floor of a building
  2. 5. pints whose liquid is part water
  3. 8. the part of the day between noon and evening
Down
  1. 1. located beneath the earth
  2. 3. his own self
  3. 4. a temporary road barrier
  4. 6. a form of can and not
  5. 7. her own self