examination vs scrutiny

examination

noun
  • Particularly, an inspection by a medical professional to establish the extent and nature of any sickness or injury. 

  • Interrogation, particularly by a lawyer in court or during discovery. 

  • The act of examining. 

  • A formal test involving answering written or oral questions under a time constraint and usually without access to textbooks; typically, a large, written test administered to high school and college students covering course material studied in a semester. 

scrutiny

noun
  • Thorough inspection of a situation or a case. 

  • Intense study of someone or something. 

  • A ticket, or little paper billet, on which a vote is written. 

  • An examination by a committee of the votes given at an election, for the purpose of correcting the poll. 

  • An examination of catechumens, in the last week of Lent, who were to receive baptism on Easter Day. 

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