basa vs escolar

basa

noun
  • The catfish Pangasius bocourti. 

escolar

noun
  • Any of several other perciform fish of the family Gempylidae (snake mackerels). 

  • Any fish of species Ruvettus pretiosus, oilfish. 

  • Lepidocybium flavobrunneum, one of the snake mackerels. 

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