dilute vs inarticulate

dilute

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

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

  • Having a low concentration. 

  • Weak; reduced in strength by dilution; diluted. 

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. 

inarticulate

noun
  • An animal belonging to the subphylum Inarticulata. 

adj
  • not articulated in normal words. 

  • unable to speak with any clarity 

  • speechless 

  • not having joints or other articulations 

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