off the grid vs only

off the grid

adj
  • Isolated; in a remote location; in seclusion; not participating in some official process or system. 

  • Not connected to a publicly available communication system, such as the World Wide Web or a mobile telephone network. 

  • Not using electricity from the public electrical supply system. 

adv
  • Secretly; in a clandestine manner. 

  • In or into a situation or place in which electricity from the public electricity system is not used. 

  • In or into a clandestine or isolated situation or place, especially one in which public communication is curtailed. 

only

adj
  • Alone in a category. 

  • Singularly superior; the best. 

  • Without sibling; without a sibling of the same gender. 

adv
  • As recently as. 

  • Without others or anything further; exclusively. 

  • Used to express surprise or consternation at an action. 

  • Introduces a disappointing or surprising outcome that renders futile something previously mentioned. 

  • No more than; just. 

conj
  • Under the condition that; but. 

  • But; except. 

noun
  • An only child. 

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