different between drastically vs completely

English

drastic +? -ally.

drastically (comparative more drastically, superlative most drastically)

To a drastic degree.
This recession has been drastically different.
drastically reduced prices
- The corn ration was drastically reduced, and it was announced that an extra potato ration would be issued to make up for it.
In a drastic manner.
Lisa always wore shorts and a T-shirt, which clashed drastically with her brother's thick winter coat.
- 1920, America, volume 22, page 255:
  It explains why a Democratic Congress foisted Prohibition on the country and a Republican Congress drastically legislated to enforce it, when ordinarily the two parties are only too anxious for any political stick to beat each other with.
- 1928, The Atlantic Monthly, volume 141, page 558:
  Seldom have democratic principles been so drastically enacted into law.
- 1933, The China Critic, volume 6, page 428:
  A uniform marriage and divorce law must be drastically enacted by the Central Government and rigidly administrated by the higher courts.

complete +? -ly

completely (comparative more completely, superlative most completely)

(manner) In a complete manner
- 1969, E.R. Zumwalt, Jr., Silver Star Citation - John Kerry,
  Lieutenant (junior grade) KERRY immediately maneuvered his craft through several strafing runs which completely silenced the enemy.
(degree) To the fullest extent or degree; totally.
- 1968 June 8, Edward M. Kennedy, Tribute to Senator Robert F. Kennedy,
  Our future may lie beyond our vision, but it is not completely beyond our control.
- 1975, Helen Schucman, A Course in Miracles/Workbook for Students, Lesson 75: The light has come,
  Keep a completely open mind, washed of all past ideas and clean of every concept you have made.

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