Bob vs Ken

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. 

Ken

name

  • A diminutive of the male given name Kenneth. 

  • Kensington in London (in combinations, e.g. South Ken, High Street Ken). 

  • A surname. 

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