auxiliary vs fitment

auxiliary

noun
  • A person or group that acts in an auxiliary manner. 

  • An auxiliary verb. 

  • A marching band colorguard. 

  • A sailing vessel equipped with an engine. 

adj
  • Supplementary or subsidiary. 

  • Helping; giving assistance or support. 

  • Held in reserve for exceptional circumstances. 

  • Of a ship, having both sails and an engine. 

  • Relating to an auxiliary verb. 

fitment

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

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

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

  • An item of permanent furniture or equipment. 

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

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