habit vs subservience

habit

noun
  • An addiction. 

  • A long piece of clothing worn by monks and nuns. 

  • An action performed on a regular basis. 

  • An action performed repeatedly and automatically, usually without awareness. 

  • A piece of clothing worn for a specific activity; a uniform. 

verb
  • To clothe. 

subservience

noun
  • The state of being subservient. 

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