resupply vs top up

resupply

verb
  • To supply again. 

  • To stock up on supplies again. 

noun
  • The act of supplying again. 

  • A package of materials used to replenish supplies. 

top up

verb
  • to refill the drink of (somebody) 

  • to extend the credit of something 

  • to refill (or recharge) something 

  • to add to a number or amount, to bring something up to a certain level 

  • To have sex (with). 

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