grounded vs unsupported

grounded

adj
  • Mature; sensible, with well-considered priorities. 

  • Of or pertaining to an electrical conductor which is connected to earth; earthed. 

  • Aground. 

  • Not allowed to fly. 

  • Confined to stay inside, typically by a parent, as a punishment. 

unsupported

adj
  • For which support or help is not available. 

  • Without confirmation from a credible source, without verifying support 

  • Without physical support. 

  • Not supported by or borne out of evidence or facts. 

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