ablutions vs cleansing

ablutions

noun
  • A building that houses bathing and toilet facilities on a military base. 

  • The location or building where the showers and basins are located. 

cleansing

adj
  • That cleanses. 

noun
  • The process of removing dirt, toxins etc. 

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