energize vs enervate

energize

verb
  • To invigorate; to make energetic. 

  • To supply with energy, especially electricity; to turn on power to (something). 

enervate

verb
  • To reduce strength or energy; debilitate. 

  • To weaken morally or mentally. 

  • To partially or completely remove a nerve. 

adj
  • Made feeble; weakened. 

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