cuntsucker vs muff diver

cuntsucker

noun

  • Someone who performs cunnilingus. 

  • A vile or detestable person. 

muff diver

noun

  • One who performs cunnilingus. 

  • A lesbian. 

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