approve vs vibe

approve

verb
  • To consider worthy (to); to be pleased (with); to accept. 

  • To officially sanction; to ratify; to confirm; to set as satisfactory. 

  • To make profit of; to convert to one's own profit — said especially of waste or common land appropriated by the lord of the manor. 

  • To regard as good; to commend; to be pleased with; to think well of. 

vibe

verb
  • To feel in agreement with; to appreciate. 

  • To agree. 

  • To get along; to hit it off. 

  • To relax and enjoy oneself. 

  • To stimulate with a vibrator. 

noun
  • An atmosphere or aura felt to belong to a person, place or thing. 

  • Vibration. 

  • A vibrator (sex toy). 

  • A vibraphone. 

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