brill vs sturgeon

brill

noun
  • A type of flatfish, Scophthalmus rhombus. 

adj
  • Wonderful, amusing; cool 

sturgeon

noun
  • Any marine or freshwater fish of the family Acipenseridae that are prized for their roe and are endemic to temperate seas and rivers of the northern hemisphere, especially central Eurasia. 

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