caudal vs hind

caudal

adj
  • Pertaining to the tail or posterior or hind part of a body. 

  • Toward the tail end (hind end) of the body; in bipeds such as humans, this direction corresponds to inferior. 

noun
  • A caudal vertebra. 

hind

adj
  • Located at the rear (most often said of animals' body parts). 

  • Backward; to the rear. 

noun
  • A spotted food fish of the genus Epinephelus. 

  • A female deer, especially a red deer at least two years old. 

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