chart vs wallcovering

chart

noun
  • A diagram. 

  • A graph. 

  • A record of a patient's diagnosis, care instructions, and recent history. 

  • A tabular presentation of data; a table. 

  • A map illustrating the geography of a specific phenomenon. 

  • A navigator's map. 

  • Synonym of coordinate chart. 

  • A ranked listing of competitors, as of recorded music. 

  • A written deed; a charter. 

verb
  • To record systematically. 

  • To appear on a hit-recording chart. 

  • To draw or figure out (a route or plan). 

  • To draw a chart or map of. 

wallcovering

noun
  • A covering for a wall, such as wallpaper 

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