mola vs opah

mola

noun
  • A sunfish, Mola mola. 

  • A traditional textile art form of the Kuna people of Panama and Colombia, consisting of cloth panels to be worn on clothing, featuring complex designs made with multiple layers of cloth in a reverse appliqué technique. 

opah

noun
  • Any of various large, colourful, deep-bodied pelagic fish of the family Lamprididae. 

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