polychromate vs vivid

polychromate

adj
  • Composed of many colours 

noun
  • A salt or ion composed of multiple chromate groups 

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 polychromate and vivid occurred in a corpus of books? (source: Google Ngram Viewer )