putrefaction vs wet rot

putrefaction

noun
  • Rotten material. 

  • The act of causing to rot; the anaerobic splitting of proteins by bacteria and fungi with the formation of malodorous, incompletely oxidized products. 

  • The state of being rotten. 

wet rot

noun
  • A soft rot in which the decayed tissues are markedly watery. 

  • Decay of timber by fungi that attack wood having high moisture content. 

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