decenary vs slaughtering

decenary

noun
  • A tithing. 

adj
  • Of or related to a tithing. 

  • Of or related to the number ten, (particularly) as a base of numeration. 

  • Containing or comprising ten items or units. 

slaughtering

noun
  • An act of slaughter; a killing. 

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