practice vs usuage

practice

noun
  • Skilful or artful management; dexterity in contrivance or the use of means; stratagem; artifice. 

  • A customary action, habit, or behaviour; a manner or routine. 

  • The ongoing pursuit of a craft or profession, particularly in medicine or the fine arts. 

  • Actual operation or experiment, in contrast to theory. 

  • A place where a professional service is provided, such as a general practice. 

  • The observance of religious duties that a church requires of its members. 

  • An organized event for the purpose of performing such repetition. 

  • The form, manner, and order of conducting and carrying on suits and prosecutions through their various stages, according to the principles of law and the rules laid down by the courts. 

  • Repetition of an activity to improve a skill. 

  • A easy and concise method of applying the rules of arithmetic to questions which occur in trade and business. 

usuage

noun
  • consumption or utilisation 

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