monochromatic vs monochrome

monochromatic

adj
  • Perceptive of only one color; unable to distinguish colors; total color blindness. 

  • Having only one color, represented by differing hues and tints. For example shades in a black and white television. 

  • Plain, dull, lifeless. 

monochrome

adj
  • Having only one colour. 

  • Representing colours with shades of gray. 

noun
  • A ceramic glaze of a single colour; an object so glazed. 

  • A black and white image, especially such a photograph. 

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