bouillabaisse vs polychromate

bouillabaisse

noun

  • A mixture. 

  • A type of fish soup or stew from Provence, France. 

polychromate

noun

  • A salt or ion composed of multiple chromate groups 

adj

  • Composed of many colours 

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