apocryphal vs unhistoric

apocryphal

adj
  • Of doubtful authenticity, or lacking authority; not regarded as canonical. 

  • Of dubious veracity; of questionable accuracy or truthfulness; anecdotal or in the nature of an urban legend. 

  • Of, or pertaining to, the Apocrypha. 

unhistoric

adj
  • Not historic or historical. 

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