polychromatic vs vivid

polychromatic

adj
  • Showing a variety, or a change, of colours; having many colours; multicoloured. 

  • Composed of more than one wavelength. 

vivid

adj
  • Bright, intense or colourful. 

  • Full of life, strikingly alive. 

  • Clear, detailed or powerful. 

noun
  • A felt-tipped permanent marker. 

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