about-face vs readjustment

about-face

noun

  • A reversal in direction; a reversal of attitude or opinion. 

  • An abrupt turn to face the opposite direction. 

verb

  • To turn 180 degrees to face the opposite direction. 

  • To change opinion or attitude drastically. 

readjustment

noun

  • A second or subsequent adjustment. 

How often have the words about-face and readjustment occurred in a corpus of books? (source: Google Ngram Viewer )