commissioning vs ordination

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. 

ordination

noun
  • The ceremony in which a priest is consecrated, considered a sacrament in the Catholic and Orthodox churches. 

  • the ceremony in which a bhikkhu or bhikkhuni is ordained into the sangha 

  • The act of ordaining or the state of being ordained. 

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