guardianship vs guarding

guardianship

noun
  • The office or position of one acting as a guardian or conservator, especially in a legal capacity. 

guarding

noun
  • Tensing of the muscles, especially of the abdomen, in order to minimise the movement and agitation to the internal inflamed organs. 

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