moisture vs wetness

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. 

wetness

noun
  • Moisture. 

  • Rainy or damp weather. 

  • The condition of being wet. 

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