self-sustaining vs unallied

self-sustaining

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

  • Opposing or rejecting exterior influence; independent. 

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

unallied

adj
  • Not allied. 

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