buccaneering vs copyright infringement

buccaneering

noun
  • robbery on the high seas; piracy 

adj
  • bold, reckless and unscrupulous 

copyright infringement

noun
  • The unauthorized use of copyrighted material in a manner that violates one of the copyright owner's exclusive rights, such as the right to reproduce or perform the copyrighted work, or to make derivative works that build upon it. 

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