eff vs fsck

eff

verb
  • To put into words; to express. 

  • Fuck (the taboo swear word, but not in the sense "to copulate") 

fsck

verb
  • To run fsck on; to perform a fsck on. 

name
  • The tool, fsck, that performs a fsck. 

noun
  • A *nix file system check to detect damage to, or corruption of, files or filesystem structures. 

intj
  • Fuck. 

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