nearabout vs thereabout

nearabout

adv
  • Near, nearly, almost. 

thereabout

adv
  • About or near that place. 

  • Approximately that number or quantity. 

  • About or near to that condition or quality. 

  • About or around that date or time. 

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