bootlicker vs people pleaser

bootlicker

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

  • Anyone who is seen as supporting authoritarianism. 

people pleaser

noun
  • An obsequious, subservient person, especially in a workplace 

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