sound judgment vs perspicacity

sound judgment and perspicacity both are nouns.

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

As nouns, sound judgment and perspicacity are synonyms defined as:

sound judgment and perspicacity: the capacity to assess situations or circumstances shrewdly and to draw sound conclusions

Other synonyms of sound judgment include judgement, judgment, sound judgement.

sound judgment (noun)	perspicacity (noun)
the capacity to assess situations or circumstances shrewdly and to draw sound conclusions	the capacity to assess situations or circumstances shrewdly and to draw sound conclusions
	intelligence manifested by being astute (as in business dealings)