multi-coloured vs piebald

multi-coloured

adj
  • Britain standard spelling of multi-colored. 

piebald

adj
  • Of mixed character, heterogeneous. 

  • Spotted or blotched, especially in black and white. 

noun
  • An animal with piebald coloration. 

How often have the words multi-coloured and piebald occurred in a corpus of books? (source: Google Ngram Viewer )