influent vs winterbourne

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. 

winterbourne

noun
  • A stream that only flows in winter or after wet weather, particularly in an area rich in limestone. 

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