adulator vs clawback

adulator

noun
  • One who lavishes excessive praises or flattery; one who adulates. 

clawback

noun
  • A rule that permits a party to take back evidentiary materials that were mistakenly turned over to the other party but to which the other party would not have been entitled. 

  • Any recovery of a performance-related payment based on discovery that the performance was not genuine. 

  • Money that a party is entitled to keep under one tax provision but is taken by another tax provision. 

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