extent vs taboo

extent

noun
  • A former tent; something (or someone) that was a tent but no longer is 

  • The valuation of property. 

  • A range of values or locations. 

  • A contiguous area of storage in a file system. 

  • The space, area, volume, etc., to which something extends. 

  • A writ directing the sheriff to seize the property of a debtor, for the recovery of debts of record due to the Crown. 

taboo

noun
  • Something which may not be used, approached or mentioned because it is sacred. 

  • An inhibition or ban that results from social custom or emotional aversion. 

adj
  • Culturally forbidden. 

  • Excluded or forbidden from use, approach or mention. 

verb
  • To ban. 

  • To avoid. 

  • To mark as taboo. 

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