lookout vs negligence

lookout

noun
  • A session of watching for an approaching enemy, police, etc. 

  • A person on watch for approaching enemy, police, danger, etc. 

  • A vantage point with a view of the surrounding area. 

  • A joist that extends in cantilever out from the exterior wall (or wall plate) of a building, supporting the roof sheathing and providing a nailing surface for the fascia boards. 

  • An observation window. 

  • A subject for observation; a prospect or view. 

  • One's perspective, outlook; hence, one's responsibility. (used with a possessive pronoun or a noun in a possessive form). 

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