recharge vs regenerate

recharge

verb
  • To invigorate and revitalize one's energy level by removing stressful agents for a period of time. 

  • To attack again or anew. 

  • To reload a gun with ammunition. 

  • To request payment again from. 

  • To charge an electric battery after its power has been consumed. 

  • To add or restore water to an aquifer. 

  • To charge or accuse in return. 

noun
  • Water that has percolated from the ground surface to an aquifer. 

  • The process of charging (an electrical device) again. 

regenerate

verb
  • To revitalize. 

  • To become reconstructed. 

  • To construct or create anew, especially in an improved manner. 

  • To undergo a spiritual rebirth. 

  • Of a water softener: to flush out the minerals extracted from the water supply. 

  • To replace lost or damaged tissue. 

noun
  • One who is spiritually reborn. 

adj
  • Spiritually reborn. 

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