japer vs motley

japer

noun
  • One who japes; a joker. 

motley

noun
  • A jester; a fool. 

  • A jester's multicoloured clothes. 

  • An incongruous mixture. 

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

  • Having many colours; variegated. 

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