bicolour vs motley

bicolour

adj
  • Having two colours 

noun
  • A flower, cat etc., that has two colours. 

  • A flag with such colours, consisting of two stripes that are either vertical or horizontal. 

motley

adj
  • Having many colours; variegated. 

  • Comprising greatly varied elements, to the point of incongruity. 

noun
  • A jester's multicoloured clothes. 

  • An incongruous mixture. 

  • A jester; a fool. 

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