be called vs christen

be called

verb
  • To have a specific name. 

christen

verb
  • To name. 

  • To douse or wet with blood, urine, tears, or other liquid. 

  • To use for the first time. 

  • To perform the religious act of baptism upon; to baptize. 

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