detection vs revelation

detection

noun
  • The act or process of detecting, uncovering, or finding out, the discovery of something new, hidden, or disguised. 

  • The act or process of finding or detecting an electrical signal in a carrier wave. 

revelation

noun
  • The act of revealing or disclosing. 

  • Something that turns out to be a great success. 

  • Something dramatically disclosed. 

  • A manifestation of divine truth. 

  • Something that is revealed. 

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