ebb and flow vs ripplet

ebb and flow

noun

  • The flowing out and in of the tide. 

  • A large flowing out and in. 

verb

  • To alternately ebb and flow. 

ripplet

noun

  • A small ripple. 

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