self-sustaining vs welcoming

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. 

welcoming

adj
  • hospitable, accessible and cordial. 

noun
  • An act of giving welcome. 

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