colubrine vs remora

colubrine

noun
  • Any snake of the subfamily Colubrinae 

adj
  • Snakelike. 

  • Relating to snakes. 

remora

noun
  • A serpent. 

  • Any of various elongate fish from the family Echeneidae, the dorsal fin of which is in the form of a suction disc that can take a firm hold against the skin of larger marine animals. 

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