droid vs slacker

droid

noun
  • A person having the qualities of an android; one with few or no emotions or little personality, or who acts in an unthinking manner; a robot. 

  • A robot, especially one made with some physical resemblance to a human (an android). 

slacker

noun
  • One who procrastinates or is lazy. 

  • A person lacking a sense of direction in life; an underachiever. 

  • A user of the Slackware Linux distribution. 

  • A member of a certain 1990s subculture associated with Generation X. 

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