pied vs rainbowed

pied

adj
  • Having two or more colors, especially black and white. 

  • Decorated or colored in blotches. 

rainbowed

adj
  • Resembling, involving, or illuminated with a rainbow; patterned with the colours of the rainbow. 

  • Made up of several races or ethnicities; rainbow. 

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