cockroach vs fucker

cockroach

noun
  • A person or a member of a group of people regarded as undesirable and rapidly procreating. 

  • A Tutsi. 

  • A person from New South Wales. 

  • A black or brown straight-winged insect of the order Blattodea. 

fucker

noun
  • An undesirable person. 

  • One who fucks. 

  • The object of some effort. 

  • People, friends, especially of very high solidarity. 

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