over- vs re-

over-

prefix
  • Above, or higher. 

  • Superior. 

  • Surrounding or covering. 

  • Excessive; excessively. 

  • Exceptional; extremely or intensely. 

re-

prefix
  • a completive or intensification of the base; up, a-, out 

  • back, backward 

  • again, anew 

How often have the words over- and re- occurred in a corpus of books? (source: Google Ngram Viewer )