natatory vs oceanic

natatory

adj
  • of, or relating to, swimming 

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 natatory and oceanic occurred in a corpus of books? (source: Google Ngram Viewer )