banish vs shelter

banish

verb
  • To expel, especially from the mind. 

  • To send someone away and forbid that person from returning. 

shelter

verb
  • To take cover. 

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

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

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

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