asylum vs safety

asylum

noun
  • A place of safety or refuge. 

  • The protection, physical and legal, afforded by such a place (as, for example, for political refugees). 

safety

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

  • 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. 

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

  • 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. 

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