headfish vs mola

headfish

noun
  • The sunfish (of family Molidae). 

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. 

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