auto-suggestion vs inkling

auto-suggestion

noun
  • An instance of suggesting a thought to oneself. 

  • The practice of suggesting thoughts to oneself. 

inkling

noun
  • Usually preceded by forms of to give: a slight hint, implication, or suggestion given. 

  • Often preceded by forms of to get or to have: an imprecise idea or slight knowledge of something; a suspicion. 

  • A desire, an inclination. 

How often have the words auto-suggestion and inkling occurred in a corpus of books? (source: Google Ngram Viewer )