due process vs legalness

due process

noun
  • The limits of laws and legal proceedings, so as to ensure a person fairness, justice and liberty. 

  • A legal concept where a person is ensured all legal rights when deprived of their liberty for a given reason. 

legalness

noun
  • The state of being legal, or within the law. 

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