nonentity vs nothingburger

nonentity

noun

  • an unimportant or insignificant person 

  • the state of not existing; nonexistence 

nothingburger

noun

  • A person or object that is bland or unremarkable in appearance or impact. 

  • Something of less importance than its treatment suggests. 

  • A person who is a nonentity. 

adj

  • bland or unremarkable in appearance 

  • disreputable, as of a person 

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