ordinance vs usages

ordinance

noun
  • Detailed legislation that translates the broad principles of the university's charter and statutes into practical effect. 

  • A local law, passed by e.g. a city. 

  • Prior to the Third English Civil War, a decree of Parliament. 

  • A law enacted by the Hong Kong Legislative Council. 

  • A temporary law promulgated by the president on the recommendation of the cabinet. 

  • A religious practice or ritual prescribed by the church. 

usages

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