aground vs grounded

aground

adj
  • at a loss, ruined, with no way out 

  • Resting on the bottom. 

adv
  • Resting on the bottom. 

grounded

adj
  • Aground. 

  • Mature; sensible, with well-considered priorities. 

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

  • Not allowed to fly. 

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

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