round-backed vs stooped

round-backed and stooped both are adjectives.

Word	Noun	Adjective	Verb	Adverb
round-backed	No	Yes	No	No
stooped	No	Yes	No	No

As adjectives, round-backed and stooped are synonyms defined as:

round-backed and stooped: having the back and shoulders rounded; not erect

Other synonyms of round-backed include crooked, hunched, round-shouldered, stooping.

round-backed (adjective)	stooped (adjective)
having the back and shoulders rounded; not erect	having the back and shoulders rounded; not erect