secretion vs wetness

secretion

noun
  • the act of secreting a substance, especially from a gland 

  • any substance that is secreted by an organism 

  • the act of hiding something 

wetness

noun
  • The condition of being wet. 

  • Moisture. 

  • Rainy or damp weather. 

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