surf vs surge

surf

noun
  • Waves that break on an ocean shoreline. 

  • A dance popular in the 1960s in which the movements of a surfboard rider are mimicked. 

  • The bottom of a drain. 

  • An instance or session of riding a surfboard in the surf. 

verb
  • To bodysurf; to swim in the surf at a beach. 

  • To surf at a specified place. 

  • To browse the Internet, television, etc. 

  • To ride a wave on a surfboard; to pursue or take part in the sport of surfing. 

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 surf and surge occurred in a corpus of books? (source: Google Ngram Viewer )