goatskin vs kid leather

goatskin

noun
  • The skin of a goat. 

  • A liquid container (especially of wine or water) made from goat leather. 

  • a bodhran drum. 

kid leather

noun
  • Leather made from the skin of a young goat. 

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