road dust and writing

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Across
  1. 7. lack of success.
  2. 10. tell somebody to take a particular medicine or have a particular treatment
  3. 12. medicine or other substance which has a physiological effect when ingested or otherwise introduced into the body.
  4. 14. the leader of the universe
  5. 17. a thick, soft, moist substance typically produced by mixing dry ingredients with a liquid.
  6. 18. a component part or element of something.
  7. 19. compound or preparation used for the treatment or prevention of disease, especially a drug or drugs taken by mouth.
  8. 20. symbol of healing
Down
  1. 1. a spiritual leader
  2. 2. to stain, smudge, or dirty by or as if by smearing
  3. 3. stage of human social and cultural development
  4. 4. medical practitioner qualified to practice surgery.
  5. 5. or greater than normal, in quantity, size, or intensity.
  6. 6. fact or condition of functioning or being active.
  7. 8. free from dirt, marks, or stains.
  8. 9. a person who is studying or has expert knowledge of one or more of the natural or physical sciences.
  9. 11. interesting.
  10. 13. a person who claims or is believed to have magic powers; a wizard.
  11. 15. an injury
  12. 16. a strip of material used to bind a wound or to protect an injured part of the body.