cloistered vs protectable

cloistered

adj
  • Isolated, protected, hidden away for the sake of maintaining innocence. 

  • Dwelling or raised in, or as if in, cloisters; solitary. 

  • Naive, lacking in worldliness. 

  • Furnished with cloisters. 

protectable

adj
  • Able to be protected 

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