hiding vs stealthiness

hiding

noun
  • A state of concealment. 

  • A place of concealment. 

  • A beating or spanking. 

  • Skinning (of an animal) to yield a hide (for human use). 

stealthiness

noun
  • The property of being stealthy. 

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