employee vs manager

employee

noun
  • An individual who provides labor to a company or another person. 

  • One way to encourage your employees to work harder is by giving them incentives. 

manager

noun
  • A person whose job is to manage something, such as a business, a restaurant, or a sports team. 

  • An administrator, for a singer or group. 

  • A window or application whose purpose is to give the user the control over some aspect of the system. 

  • The head coach. 

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