cosign vs vibe

cosign

verb
  • To agree with or endorse 

  • To sign a document jointly with another person, sometimes as an endorsement. 

noun
  • The promotion of one musical artist (usually less successful) by another. 

vibe

verb
  • To agree. 

  • To get along; to hit it off. 

  • To relax and enjoy oneself. 

  • To feel in agreement with; to appreciate. 

  • 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 cosign and vibe occurred in a corpus of books? (source: Google Ngram Viewer )