Top 47 OXYMORONS:
 
    47. Act naturally
    46. Found missing
    45. Resident alien
    44. Advanced BASIC
    43. Genuine imitation
    42. Airline Food
    41. Good grief
    40. Same difference
    39. Almost exactly
    38. Government organization
    37. Sanitary landfill
    36. Alone together
    35. Legally drunk
    34. Silent scream
    33. American history
    32. Living dead
    31. Small crowd
    30. Business ethics
    29. Soft rock
    28. Butt Head
    27. Military Intelligence
    26. Software documentation
    25. New York culture
    24. New classic
    23. Sweet sorrow
    22. Childproof
    21. "Now, then ..."
    20. Synthetic natural gas
    19. Passive aggression
    18. Taped live
    17. Clearly misunderstood
    16. Peace force
    15. Extinct Life
    14. Temporary tax increase
    13. Computer jock
    12. Plastic glasses
    11. Terribly pleased
    10. Computer security
    09. Political science
    08. Tight slacks
    07. Definite maybe
    06. Pretty ugly
    05. Twelve-ounce pound cake
    04. Diet ice cream
    03. Working vacation
    02. Exact estimate
    01. Microsoft Works

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Top 52 OXYMORONS

    52. Civil War 
    51. Jumbo shrimp
    50. Act naturally
    49. Found missing
    48. Resident alien
    47. Advanced BASIC
    46. Genuine imitation
    45. Airline Food
    44. Good grief
    43. Same difference
    42. Almost exactly
    41. Government organization
    40. Sanitary landfill
    39. Alone together
    38. Legally drunk
    37. Silent scream
    36. British fashion
    35. Living dead
    34. Small crowd
    33. Business ethics
    32. Soft rock
    31. Butt Head
    30. Military Intelligence
    29. Software documentation
    28. New York culture
    27. New classic
    26. Sweet sorrow
    25. Childproof
    24. "Now, then ..."
    23. Synthetic natural gas
    22. Christian Scientists
    21. Passive aggression
    20. Taped live
    19. Clearly misunderstood
    18. Peace force
    17. Extinct Life
    16. Temporary tax increase
    15. Computer jock
    14. Plastic glasses
    13. Terribly pleased
    12. Computer security
    11. Political science
    10. Tight slacks
     9. Definite maybe
     8. Pretty ugly
     7. Twelve-ounce pound cake
     6. Diet ice cream
     5. Rap music
     4. Working vacation
     3. Exact estimate
     2. Religious tolerance

  And the Number One top Oxymoron:

     1. Microsoft Works

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