kid leather vs suckling

kid leather

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

suckling

noun
  • A young mammal not yet weaned and still being fed milk by its mother. 

  • An infant that is still being breastfed (being suckled) by its mother. 

  • The act of suckling. 

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