replenish vs restock

replenish

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

restock

verb
  • To stock again; to resupply with a stock of goods. 

noun
  • The act of stocking again. 

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