increase vs rot

increase

verb
  • To become more nearly full; to show more of the surface; to wax. 

  • To multiply by the production of young; to be fertile, fruitful, or prolific. 

  • To make (a quantity, etc.) larger. 

  • (of a quantity, etc.) To become larger or greater. 

noun
  • The creation of one or more new stitches; see Increase (knitting). 

  • For a quantity, the act or process of becoming larger 

  • Offspring, progeny 

  • An amount by which a quantity is increased. 

rot

verb
  • To make putrid; to cause to be wholly or partially decomposed by natural processes. 

  • To expose, as flax, to a process of maceration, etc., for the purpose of separating the fiber; to ret. 

  • To spend a long period of time (in an unpleasant place). 

  • To suffer decomposition due to biological action, especially by fungi or bacteria. 

  • To decline in function or utility. 

  • To (cause to) deteriorate in any way, as in morals; to corrupt. 

noun
  • Any of several diseases in which breakdown of tissue occurs. 

  • The process of becoming rotten; putrefaction. 

  • Verbal nonsense. 

  • Decaying matter. 

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