christening vs sprinkling

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. 

sprinkling

noun
  • The action of the verb to sprinkle. 

  • A light shower of rain. 

  • A small thinly distributed amount, e.g. of some liquid, powder or other fine substance that is sprinkled on to something. 

  • A scattering. 

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