disintegrate vs go bad

disintegrate

verb
  • To undo the integrity of, break into parts. 

  • To cause to break up into infinitesimal parts through the use of a disintegrator. 

  • To fall apart, break up into parts. 

go bad

verb
  • Of a person or entity, to cease to be reputable and instead become delinquent, criminal, immoral, corrupt or poorly behaved. 

  • Of foods and commodities, to spoil, rot, or otherwise become unusable due to age or storage conditions. 

  • Of a geographic area, to become unsafe. 

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