dry rot vs ruination

dry rot

noun
  • Any progression of decay, corruption, or obsolescence. 

  • The crumbly, friable decayed portions of wooden members of buildings, especially at or below grade, usually caused by a fungal infection. 

  • A fungal infection which affects plants, in particular potatoes. 

ruination

noun
  • The cause of being ruined, destroyed or lost. 

  • The state of being ruined, a state of devastation or destruction. 

  • A loss of reputation. 

  • The act of ruining or wrecking. 

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