safe vs tile

safe

verb
  • To make something safe. 

noun
  • A condom. 

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

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. 

tile

verb
  • To protect from the intrusion of the uninitiated. 

  • To seal a lodge against intrusions from unauthorised people. 

  • To arrange in a regular pattern, with adjoining edges (applied to tile-like objects, graphics, windows in a computer interface). 

  • To optimize (a loop in program code) by means of the tiling technique. 

  • To cover with tiles. 

noun
  • Any of various flat cuboid playing pieces used in certain games, such as dominoes, Scrabble, or mahjong. 

  • A regularly-shaped slab of clay or other material, affixed to cover or decorate a surface, as in a roof-tile, glazed tile, stove tile, carpet tile, etc. 

  • A rectangular graphic. 

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