intent vs must-have

intent

noun
  • Something that is intended. 

  • The state of someone’s mind at the time of committing an offence. 

adj
  • Engrossed. 

  • Firmly fixed or concentrated on something. 

  • Unwavering from a course of action. 

must-have

noun
  • An item that one must own, or a feature that is essential to a service, etc. 

adj
  • Essential to own. 

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