cultivar vs particularity

cultivar

noun
  • A cultivated (not necessarily botanical) variety of a plant species or hybrid of two species. 

particularity

noun
  • A distinctive characteristic or quality; a peculiarity. 

  • The doctrine of the incarnation of God as Jesus occurring at a particular place and time. 

  • A particular thing. 

  • Attention to detail; fastidiousness. 

  • The condition of being particular rather than general or universal; specificity. 

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