objectiveness vs sound judgment

objectiveness and sound judgment both are nouns.

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

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

objectiveness: judgment based on observable phenomena and uninfluenced by emotions or personal prejudices
sound judgment: the capacity to assess situations or circumstances shrewdly and to draw sound conclusions

Other hypernyms of objectiveness include judgement, judgment, perspicacity, sound judgement.

objectiveness (noun)	sound judgment (noun)
judgment based on observable phenomena and uninfluenced by emotions or personal prejudices	the capacity to assess situations or circumstances shrewdly and to draw sound conclusions