encircling vs throughout

encircling

noun

  • encirclement 

adj

  • enclosing, skirting 

throughout

adv

  • In every part; everywhere. 

  • During an entire period of time, the whole time. 

prep

  • In every part of; all through. 

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