passing vs proving

passing

adj
  • Vague, cursory. 

  • Going past. 

  • That passes away; ephemeral. 

noun
  • The act of passing a ball etc. to another player. 

  • A form of juggling where several people pass props between each other, usually clubs or rings. 

  • The ability of a person to be regarded as a member of an identity group or category different from their own. 

  • The fact of going past; a movement from one place to another or a change from one state to another. 

  • Death, dying; the end of something. 

  • The act of approving a bill etc. 

proving

noun
  • Experimentation to determine which substances cause which effects when ingested. 

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