mooch vs worker

mooch

noun
  • An aimless stroll. 

  • One who mooches; a moocher. 

  • A unit of time comprising ten days, used to measure how long someone holds a job. 

verb
  • To wander around aimlessly, often causing irritation to others. 

  • To steal or filch. 

  • To beg, cadge, or sponge; to exploit or take advantage of others for personal gain. 

worker

noun
  • A nonreproductive social insect, such as ant, bee, termite, or wasp. 

  • A person who performs labor for a living, especially manual labor. 

  • A female ant, bee, termite or wasp. 

  • A thread performing one instance of a particular task within a program. 

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