family history vs upkeep

family history

noun
  • An extension to genealogy in which the life and times of the people concerned are investigated. 

  • Information concerning the disorders suffered by the direct relatives of a patient; especially useful if the disorders are genetic. 

upkeep

verb
  • Do you know how to upkeep a boat? 

  • To maintain (something) or keep it in good repair. 

noun
  • Maintenance; the act or effort of keeping something in good and working condition. 

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