commissioning vs idleness

commissioning

noun
  • The process of assuring that all systems and components of a major piece of equipment, a process, a building or similar are designed, installed and tested according to the operational requirements of the owner or final client. 

idleness

noun
  • Groundlessness; worthlessness; triviality; vanity; frivolity. 

  • The state of being idle; inactivity. 

  • The state of being indolent; indolence. 

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