ebb vs surge

ebb

noun
  • The receding movement of the tide. 

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

  • A gradual decline. 

  • A low state; a state of depression. 

verb
  • 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 flow back or recede 

  • to fall away or decline 

adj
  • low, shallow 

surge

noun
  • The swell or heave of the sea (FM 55-501). 

  • A deployment in large numbers at short notice. 

  • The maximum amplitude of a vehicle's forward/backward oscillation. 

  • The tapered part of a windlass barrel or a capstan, upon which the cable surges, or slips. 

  • A sudden transient rush, flood or increase. 

  • A momentary reversal of the airflow through the compressor section of a jet engine due to disruption of the airflow entering the engine's air intake, accompanied by loud banging noises, emission of flame, and temporary loss of thrust. 

  • A sudden electrical spike or increase of voltage and current. 

verb
  • To slack off a line. 

  • To experience a momentary reversal of airflow through the compressor section due to disruption of intake airflow. 

  • To accelerate forwards, particularly suddenly. 

  • To rush, flood, or increase suddenly. 

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