pome vs seed pit

pome

noun
  • A type of fruit in which the often edible flesh arises from the swollen base of the flower and not from the carpels. 

  • A ball of silver or other metal, filled with hot water and used by a Roman Catholic priest in cold weather to warm his hands during the service. 

seed pit

noun
  • A single seed in the center of a cherry, peach, plum, olive, avocado or other fruit. 

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