christening vs interment

christening

noun
  • Any instance of someone's or something's being christened. 

  • The Christian sacrament at which someone, usually a child, is baptized and given a Christian name. 

interment

noun
  • The act of burying a dead body; burial. 

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