lather vs surf

lather

noun
  • Foam from profuse sweating, as of a horse. 

  • A state of agitation. 

  • The foam made by rapidly stirring soap and water. 

verb
  • To form lather or froth, as a horse does when profusely sweating. 

  • To cover with lather. 

  • To beat or whip. 

surf

noun
  • The bottom of a drain. 

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

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

  • Waves that break on an ocean shoreline. 

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. 

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