assessment vs scrutiny

assessment

noun
  • An appraisal or evaluation. 

  • The act of assessing or an amount (of tax, levy or duty etc) assessed. 

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