baptismal vs christening

baptismal

noun
  • A baptismal name: a name given at baptism. 

  • A baptismal font: a large basin used for baptism. 

adj
  • Of a name, conferred at baptism. 

  • Of or relating to baptism. 

christening

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

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

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