safety vs skin

safety

noun
  • A mechanism on a weapon or dangerous equipment designed to prevent accidental firing. 

  • An instance of a player being sacked or tackled in the end zone, or stepping out of the end zone and off the field, resulting in two points to the opposite team. 

  • The condition or feeling of being safe; security; certainty. 

  • Any of the defensive players who are in position furthest from the line of scrimmage and whose responsibility is to defend against passes as well as to be the tacklers of last resort. 

  • A safety squeeze. 

  • Preservation from escape; close custody. 

verb
  • to secure a firing pin, as in guns, to keep the gun from firing 

  • To secure (a mechanical component, as in aviation) to keep it from becoming detached even under vibration. 

skin

noun
  • A vessel made of skin, used for holding liquids. 

  • A congealed layer on the surface of a liquid. 

  • The outer surface covering much of the wings and fuselage of an aircraft. 

  • The outer protective layer of the body of any animal, including of a human. 

  • The outer protective layer of the fruit of a plant. 

  • A set of resources that modifies the appearance and/or layout of the graphical user interface of a computer program. 

  • An alternate appearance (texture map or geometry) for a character model in a video game. 

  • The covering, as of planking or iron plates, outside the framing, forming the sides and bottom of a vessel; the shell; also, a lining inside the framing. 

  • A subgroup of Australian aboriginal people; such divisions are cultural and not related to an individual′s physical skin. 

  • That part of a sail, when furled, which remains on the outside and covers the whole. 

  • A drink of whisky served hot. 

  • The skin and fur of an individual animal used by humans for clothing, upholstery, etc. 

  • person, chap 

  • Bare flesh, particularly bare breasts. 

  • Rolling paper for cigarettes. 

verb
  • To injure the skin of. 

  • To use tricks to go past a defender. 

  • To high five. 

  • To become covered with skin. 

  • To remove the skin and/or fur of an animal or a human. 

  • To cover with skin, or as if with skin; hence, to cover superficially. 

  • To apply a skin to (a computer program). 

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