ebb and flow vs influent

ebb and flow

noun

  • A large flowing out and in. 

  • The flowing out and in of the tide. 

verb

  • To alternately ebb and flow. 

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 ebb and flow and influent occurred in a corpus of books? (source: Google Ngram Viewer )