dutiful vs self-sustaining

dutiful

adj
  • Accepting of one's legal or moral obligations and willing to do them well, and without complaint. 

  • Pertaining to one's duty; demonstrative of one's sense of duty. 

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 dutiful and self-sustaining occurred in a corpus of books? (source: Google Ngram Viewer )