contrivance vs fitment

contrivance

noun
  • A (mechanical) device to perform a certain task. 

  • Something overly artful or artificial. 

  • A means, such as an elaborate plan or strategy, to accomplish a certain objective. 

fitment

noun
  • A thing fitted to another in order to accomplish a specific purpose. 

  • The categorisation of an employee, for the purpose of calculating salary or allowances. 

  • An item of permanent furniture or equipment. 

  • The proper positioning and orientation of a thing for it to serve its designed purpose. 

  • The act of furnishing with fitments; an instance of such an act. 

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