corruption vs improvement

corruption

noun
  • The act of corrupting or making putrid, or state of being corrupt or putrid; decomposition or disorganization, in the process of putrefaction; putrefaction; deterioration. 

  • The product of corruption; putrid matter. 

  • Unethical administrative or executive practices (in government or business), including bribery (offering or receiving bribes), conflicts of interest, nepotism, and so on. 

  • The decomposition of biological matter. 

  • The act of changing, or of being changed, for the worse; departure from what is pure, simple, or correct. 

  • The destruction of data by manipulation of parts of it, either by deliberate or accidental human action or by imperfections in storage or transmission media. 

  • A nonstandard form of a word, expression, or text, assigned a value judgment as being debased, especially when resulting from misunderstanding, transcription error, or mishearing. 

  • The act of corrupting or of impairing integrity, virtue, or moral principle; the state of being corrupted or debased; loss of purity or integrity 

  • Something originally good or pure that has turned evil or impure; a perversion. 

improvement

noun
  • Increase; growth; progress; advance. 

  • The act of improving; advancement or growth; a bettering 

  • Something which is improved 

  • Valuable additions or betterments, for example buildings, clearings, drains, fences, etc., on premises. 

  • A useful addition to, or modification of, a machine, manufacture, or composition. 

  • The state of being improved; betterment; advance 

  • The act of making profitable use or application of anything, or the state of being profitably employed; practical application, for example of a doctrine, principle, or theory, stated in a discourse. 

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