encroachment vs negligence

encroachment

noun
  • An unlawful diminution of the possessions of another. 

  • That which is gained by such unlawful intrusion. 

  • An intrusion upon another's possessions or rights; infringement. 

  • An entry into a place or area that was previously uncommon; an advance beyond former borders; intrusion; incursion. 

negligence

noun
  • The state of being negligent. 

  • The breach of a duty of care: the failure to exercise a standard of care that a reasonable person would have in a similar situation. 

  • The tort whereby a duty of reasonable care was breached, causing damage: any conduct short of intentional or reckless action that falls below the legal standard for preventing unreasonable injury. 

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