autarchic vs self-sustaining

autarchic

adj
  • self-sufficient 

  • Not inhibited by neighbouring genetic material 

  • Of, pertaining to, or marked by autarchy; autocratic. 

self-sustaining

adj
  • Able to provide for one's own needs without help from others; self-sufficient. 

  • Able to sustain itself without the need for additional fuel. 

  • Opposing or rejecting exterior influence; independent. 

How often have the words autarchic and self-sustaining occurred in a corpus of books? (source: Google Ngram Viewer )