chalk vs colorize

chalk

verb
  • To make white, as if with chalk; to make pale; to bleach. 

  • To manure (land) with chalk. 

  • To record something, as on a blackboard, using chalk. 

  • To apply chalk to anything, such as the tip of a billiard cue. 

  • To use powdered chalk to mark the lines on a playing field. 

  • To record a score or event, as if on a chalkboard. 

noun
  • A platoon-sized group of airborne soldiers. 

  • The favorite in a sporting event. 

  • The prediction that there will be no upsets, and the favored competitor will win. 

  • A piece of chalk, or nowadays processed compressed gypsum (calcium sulfate, CaSO4), that is used for drawing and for writing on a blackboard (chalkboard). 

  • Tailor's chalk. 

  • A soft, white, powdery limestone (calcium carbonate, CaCO3). 

  • A white powdery substance used to prevent hands slipping from holds when climbing, or losing grip in weight-lifting or gymnastics, sometimes but not always limestone-chalk, often magnesium carbonate (MgCO3). 

colorize

verb
  • To add color to. 

  • (Canadian spelling, acceptable) To convert black and white media to color by digital post production (as is often done in digital photography and in video special effects). 

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