examine vs read through

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 

read through

verb
  • To thoroughly read something to check or proofread it 

  • To read and obey a signal that is beyond the applicable one (often mistakenly) 

  • To read a script out loud casually with other actors but without blocking 

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