encircling vs itinerary

encircling

adj
  • enclosing, skirting 

noun
  • encirclement 

itinerary

adj
  • itinerant; travelling from place to place; done on a journey 

noun
  • A guidebook for travellers. 

  • A route or proposed route of a journey. 

  • A written schedule of activities for a vacation or road trip. 

  • An account or record of a journey. 

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