open sea vs slew

open sea

noun
  • That part of the sea out of sight of land. 

  • A sea open to all nations, i.e. not a mare clausum. 

slew

noun
  • A wet place; a river inlet. 

  • A large amount. 

  • A change of position. 

  • A device used for slewing. 

  • The act, or process of slewing. 

verb
  • To insert extra ticks or skip some ticks of a clock to slowly correct its time. 

  • To rotate or turn something about its axis. 

  • To pivot. 

  • simple past tense of slay 

  • To veer a vehicle. 

  • To move something (usually a railway line) sideways. 

  • To skid. 

  • To make a public mockery of someone through insult or wit. 

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