amphibian vs oceanic

amphibian

adj
  • Of or relating to the class Amphibia. 

  • Capable of operating on both land and water amphibious. 

noun
  • A vehicle which can operate on land and water. See Wikipedia article on "Amphibious aircraft" 

  • An animal of the Amphibia; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water. 

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