dilute vs excite

dilute

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

verb
  • 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 weaken, especially by adding a foreign substance. 

  • 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. 

excite

verb
  • To cause an electron to move to a higher than normal state; to promote an electron to an outer level. 

  • To arouse or bring out (e.g. feelings); to stimulate. 

  • To energize (an electromagnet); to produce a magnetic field in. 

  • To stir the emotions of. 

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