cloister vs insulate

cloister

verb
  • To protect or isolate. 

  • To confine in a cloister, voluntarily or not. 

  • To become a Roman Catholic religious. 

  • To deliberately withdraw from worldly things. 

  • To provide with a cloister or cloisters. 

noun
  • such an arcade in a monastery; 

  • A place, especially a monastery or convent, devoted to religious seclusion. 

  • The monastic life. 

  • such an arcade fitted with representations of the stages of Christ's Passion. 

insulate

verb
  • To separate, detach, or isolate. 

  • To separate a body or material from others, e.g. by non-conductors to prevent the transfer of electricity, heat, etc. 

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