barring vs embargoing

barring

prep
  • Unless something happens; excepting; in the absence of. 

noun
  • The act of fitting or closing something with bars. 

  • Bars; an arrangement or pattern of stripes or bars. 

  • Timber used for supporting the roof or sides of shafts. 

  • The sewing of a decorative bar or tack upon a fabric or leather. 

  • The exclusion of someone; blackballing. 

embargoing

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