hermetically sealed vs pinching

hermetically sealed

adj

  • Sealed with an airtight hermetic seal. 

pinching

adj

  • That pinches, or causes such a sensation 

noun

  • The act of pinching off new growth. 

  • The act of one who or that which pinches. 

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