lacteal vs lactifluous

lacteal

adj
  • Relating to milk. 

  • Relating to milk production. 

  • Relating to, or containing, chyle. 

noun
  • Each of the lymphatic vessels which convey chyle from the mesentery to the thoracic duct. 

lactifluous

adj
  • flowing with milk 

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