anabranch vs influent

anabranch

noun
  • A diverging branch of a river, creek, or stream which re-enters the main stream. 

influent

noun
  • A stream which flows into another stream or a lake. 

  • An organism having an important effect on a plant or animal community. 

  • Fluids flowing in. 

adj
  • Flowing in. 

  • Exercising astral influence. 

  • Having an important effect on a plant or animal community. 

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