inflow vs influent

inflow

noun
  • The act or process of flowing in or into 

  • Influence from outside. 

  • Anything which flows in or into 

verb
  • To flow in. 

influent

noun
  • Fluids flowing in. 

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

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

adj
  • Flowing in. 

  • Exercising astral influence. 

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

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