forgetting vs inadvertence

forgetting

noun
  • The mental act by which something is forgotten. 

inadvertence

noun
  • An effect or result of inattention; an oversight or mistake from negligence. 

  • The state or quality of being inadvertent; inadvertency; heedlessness; carelessness; negligence. 

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