longevity vs pilgrimage

longevity

noun
  • The quality of being long-lasting, especially of life. 

  • Duration over time; persistence. 

pilgrimage

noun
  • A journey made to a sacred place, or a religious journey. 

  • A visit to any site revered or associated with a meaningful event. 

verb
  • To go on a pilgrimage. 

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