monstrance vs tope

monstrance

noun
  • An ornamental, often precious receptacle, either open or with a transparent cover, in which the sacramental bread (consecrated host) is placed for Eucharistic adoration. 

tope

noun
  • A mound-like Buddhist sepulchre, or memorial monument, often erected over a relic; a stupa. 

  • A small, grey, European shark, Galeorhinus galeus, that has rough skin and a long snout. 

  • A grove of trees. 

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