bogus vs undocumented

bogus

adj
  • Of a totally fictitious issue printed for collectors, often issued on behalf of a non-existent territory or country (not to be confused with forgery, which is an illegitimate copy of a genuine stamp). 

  • Undesirable or harmful. 

  • Counterfeit or fake; not genuine. 

  • Based on false or misleading information or unjustified assumptions. 

  • Incorrect, useless, or broken. 

noun
  • A liquor made of rum and molasses. 

undocumented

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

  • Lacking instructions or reference material. 

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

noun
  • Synonym of undocumented immigrant 

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