brightness vs shelter

brightness

noun
  • The perceived luminance of an object. 

  • Intelligence, cleverness. 

  • The quality of being bright. 

shelter

noun
  • A refuge, haven or other cover or protection from something. 

  • An institution that provides temporary housing for homeless people, battered women, etc. 

verb
  • To take cover. 

  • To provide cover from damage or harassment; to shield; to protect. 

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