aggravate vs dilute

aggravate

verb
  • To make worse; to exacerbate. 

  • To exasperate; to provoke or irritate. 

  • To make (an offence) worse or more severe; to increase in offensiveness or heinousness. 

dilute

verb
  • To weaken, especially by adding a foreign substance. 

  • To cause the value of individual shares or the stake of a shareholder to decrease by increasing the total number of shares. 

  • To become attenuated, thin, or weak. 

  • To make thinner by adding solvent to a solution, especially by adding water. 

adj
  • Of an animal: having a lighter-coloured coat than is usual. 

  • Having a low concentration. 

  • Weak; reduced in strength by dilution; diluted. 

noun
  • An animal having a lighter-coloured coat than is usual. 

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