hydraulic vs oceanic

hydraulic

adj
  • Pertaining to water. 

  • Related to, or operated by, hydraulics. 

verb
  • To mine using the technique of hydraulic mining. 

oceanic

adj
  • Of or relating to the ocean. 

  • Resembling an ocean in vastness or extent. 

  • Having a climate that has a relatively small difference in temperature between the warmest and coldest times of the year, and relatively high rainfall 

  • Living in, produced by, or frequenting the ocean. 

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