dodgy vs ungrounded

dodgy

adj
  • unsound and unreliable 

  • evasive and shifty 

  • risky 

  • dishonest 

  • uncomfortable and weird 

  • deviant 

ungrounded

adj
  • Not grounded; without ground or basis, unreal, false. 

  • Not connected to ground potential 

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