conspirator vs fink

conspirator

noun
  • One of a group that acts in harmony; a person who is part of a conspiracy. 

  • Part of a group that agree to do an unlawful or unethical act. 

fink

noun
  • A contemptible person. 

  • An informer. 

  • A strikebreaker. 

  • Any of several birds in the family Ploceidae native to southern Africa. 

verb
  • To betray a trust; to inform on. 

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