heed vs negligence

heed

verb
  • To mind; to regard with care; to take notice of; to attend to; to observe. 

noun
  • Careful attention. 

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 heed and negligence occurred in a corpus of books? (source: Google Ngram Viewer )