crevalle vs gempylid

crevalle

noun

  • A fish, the cavally or jurel. 

  • A fish, the pompano (Trachinotus carolinus). 

gempylid

noun

  • Any fish of the escolar family, Gempylidae. 

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