examine vs scan

examine

verb
  • to observe or inspect carefully or critically 

  • to interrogate 

  • to determine the aptitude, skills or qualifications of someone by subjecting them to an examination 

  • to check the health or condition of something or someone 

scan

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. 

noun
  • Close investigation. 

  • An instance of scanning. 

  • The result or output of a scanning process. 

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