prepping vs utilisation

prepping

noun
  • The action or process of preparing something, or preparing for something. 

  • The practice of making active preparations for a possible catastrophic disaster or emergency, typically by stockpiling food, ammunition, and other supplies. 

utilisation

noun
  • The act of using something. 

  • The manner in which something is used. 

  • The state of being used. 

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