bonded vs sealed

bonded

adj
  • Secured by bond. 

  • Joined securely, either with adhesive, heat process or pressure. 

sealed

adj
  • Closed by a seal. 

  • Not subclassable; from which one cannot inherit. 

  • Preventing entrance. 

  • Of a road that has an asphalt or macadamised surface. 

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