delinquent vs undocumented

delinquent

noun
  • One who disobeys or breaks rules or laws, or who acts against another's wishes. 

  • A royalist in the First English Civil War (1642-1646). 

  • A person who has not paid their debts. 

adj
  • Failing in or neglectful of a duty or obligation; guilty of a misdeed or offense 

  • Late or failing to pay a debt or other financial obligation, like a mortgage or loan. 

undocumented

noun
  • Synonym of undocumented immigrant 

adj
  • Lacking instructions or reference material. 

  • Not having official documentation required to legally enter, reside in, or work in a country. 

  • Not having official documents that provide identification, authorization, etc. 

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