barred vs unlicensed

barred

adj
  • Having bars; striped. 

  • Prevented, either by a physical barrier or by conditions. 

unlicensed

adj
  • Without permission. 

  • Free from requiring a license. 

  • Not licensed; not officially authorized. 

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