hydraulic vs seafaring

hydraulic

adj
  • Pertaining to water. 

  • Related to, or operated by, hydraulics. 

verb
  • To mine using the technique of hydraulic mining. 

seafaring

adj
  • Fit to travel on the sea; seagoing. 

  • Living one's life at sea. 

noun
  • The act, process, or practice of travelling the seas 

  • The work, or calling of a sailor. 

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