de- vs re-

de-

prefix
  • reversal, undoing, removing 

  • from, off 

  • Intensifying 

re-

prefix
  • back, backward 

  • again, anew 

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

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