bootlicker vs cajoler

bootlicker

noun
  • A person who behaves in a servile or obsequious manner; a toady 

  • Anyone who is seen as supporting authoritarianism. 

cajoler

noun
  • A person who cajoles; a flatterer. 

  • A speech act intended to persuade or convince, such as the utterance "you know". 

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