sound judgment vs trait

sound judgment and trait both are nouns.

Word	Noun	Adjective	Verb	Adverb
sound judgment	Yes	No	No	No
trait	Yes	No	No	No

As nouns, trait is a hypernym of sound judgment; that is, trait is a word with a broader meaning than sound judgment:

sound judgment: the capacity to assess situations or circumstances shrewdly and to draw sound conclusions
trait: a distinguishing feature of your personal nature

sound judgment (noun)	trait (noun)
the capacity to assess situations or circumstances shrewdly and to draw sound conclusions	a distinguishing feature of your personal nature