RichThesaurus
able to stand on one's own two feet
vs
self-reliant
able to stand on one's own two feet
self-reliant
adj
Reliant upon oneself; trusting to one's own powers or judgment.
How often have the words
able to stand on one's own two feet
and
self-reliant
occurred in a corpus of books?
(source:
Google Ngram Viewer
)