dousing vs sauna

dousing

noun
  • The act by which something is doused. 

sauna

noun
  • The act of using a sauna. 

  • A very hot place or room. 

  • A room or a house designed for heat sessions. 

  • A public sauna. 

  • In some countries, a business with bath-like facilities that is actually a brothel or a place for (non-commercial) sexual encounters; a bathhouse. 

verb
  • To use a sauna. 

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