amphibian vs floating

amphibian

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. 

adj
  • Capable of operating on both land and water amphibious. 

  • Of or relating to the class Amphibia. 

floating

noun
  • The motion of something that floats. 

  • Material that floats in a liquid. 

  • A veterinary dental procedure involving the filing down of sharp surfaces on a horse's teeth. 

  • The spreading of plaster on the surface of walls. 

adj
  • That floats or float. 

  • Not fixed in position, opinion etc.; free to move or drift. 

  • that is not attached to any consonant or vowel within its morpheme. 

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