blacklist vs ostracize

blacklist

verb
  • To place on a blacklist; to mark a person or entity as one to be shunned or banned. 

noun
  • A list or set of people or entities to be shunned or banned. 

ostracize

verb
  • To exclude a person from a community or from society by not communicating with them or by refusing to acknowledge their presence; to refuse to associate with or talk to; to shun. 

  • To ban a person from a city for five or ten years through the procedure of ostracism. 

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