moisture vs sadness

moisture

noun
  • The state of being moist. 

  • That which moistens or makes damp or wet; exuding fluid; liquid in small quantity. 

  • Skin moisture noted as dry, moist, clammy, or diaphoretic as part of the skin signs assessment. 

sadness

noun
  • The state or emotion of being sad. 

  • An event in one's life that causes sadness. 

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