safe vs safety

safe

verb
  • To make something safe. 

adj
  • Great, cool, awesome, respectable; a term of approbation, often as interjection. 

  • Lenient, usually describing a teacher that is easy-going. 

  • In a location that renders it difficult to hit with the cue ball. 

  • Reliable; trusty. 

  • When a batter successfully reaches first base, or when a baserunner successfully advances to the next base or returns to the base he last occupied; not out. 

  • Not in danger; out of harm's reach. 

  • Cautious. 

  • Providing protection from danger; providing shelter. 

  • Free from risk. 

  • Of a programming language, type-safe or more generally offering well-defined behavior despite programming errors. 

  • Properly secured. 

  • Not susceptible to a specified source of harm. 

noun
  • A condom. 

  • A box, usually made of metal, in which valuables can be locked for safekeeping. 

safety

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. 

noun
  • 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. 

  • 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. 

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