Bob vs Nick

Bob

name

  • A diminutive of the male given name Robert. 

  • The person or system receiving a message or signal from a source conventionally known as Alice. 

noun

  • A generic male person. 

Nick

name

  • A diminutive of the male given name Nicholas. 

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