fill up vs replenish

fill up

verb
  • To make (something) completely full. 

  • To satisfy the hunger of (someone). 

  • To annoy, or displease, by taunting, or by excessive nagging. 

  • To fill the tank of a vehicle with fuel. 

  • To become completely full. 

  • To become tearful as a result of strong emotion. 

  • To fill in / fill out a form etc. 

  • To make a full house on the turn or the river. 

  • To satisfy one's hunger; to stop being hungry. 

replenish

verb
  • To refill; to renew; to supply again or to add a fresh quantity to. 

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