letting vs sanctification

letting

noun
  • Synonym of tenancy. 

  • Hyponyms: sublease, underlease, subtenancy, undertenancy, subletting, underletting, (informal) sublet, underlet 

sanctification

noun
  • The process of making holy; hallowing, consecration. 

  • The (usually gradual or uncompleted) process by which a Christian believer is made holy through the action of the Holy Spirit. 

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