ebb vs reflux

ebb

verb
  • to flow back or recede 

  • to fish with stakes and nets that serve to prevent the fish from getting back into the sea with the ebb 

  • To cause to flow back. 

  • to fall away or decline 

adj
  • low, shallow 

noun
  • A European bunting, the corn bunting (Emberiza calandra, syns. Emberiza miliaria, Milaria calandra). 

  • The receding movement of the tide. 

  • A gradual decline. 

  • A low state; a state of depression. 

reflux

verb
  • To flow back or return. 

  • To boil a liquid in a vessel having a reflux condenser 

noun
  • A technique, using a reflux condenser, allowing one to boil the contents of a vessel over an extended period. 

  • The backwards flow of any fluid. 

  • The leaking of stomach acid up into the oesophagus. 

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