bootlicker vs sweet talker

bootlicker

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

  • Anyone who is seen as supporting authoritarianism. 

sweet talker

noun
  • Someone who uses insincere flattery; a flatterer. 

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