scan vs scrutiny

scan

noun
  • An instance of scanning. 

  • Close investigation. 

  • The result or output of a scanning process. 

verb
  • To examine sequentially, carefully, or critically; to scrutinize; to behold closely. 

  • To read with an electronic device. 

  • To look about for; to look over quickly. 

  • To conform to a metrical structure. 

  • To perform lexical analysis; to tokenize. 

  • To inspect, analyse or go over, often to find something. 

  • To read or mark so as to show a specific metre. 

  • To create an image of something with the use of a scanner. 

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 scan and scrutiny occurred in a corpus of books? (source: Google Ngram Viewer )