habit vs usage

habit

noun
  • 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. 

  • An addiction. 

verb
  • To clothe. 

usage

noun
  • Custom, tradition. 

  • The established custom of using language; the ways and contexts in which spoken and written words are used, especially by a certain group of people or in a certain region. 

  • A custom or established practice. 

  • The act of using something; use, employment. 

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