ablutions vs bathing

ablutions

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

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

bathing

noun
  • The act of taking a bath. 

  • The act of swimming. 

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