judgment vs opinion

judgment and opinion both are nouns.

Word	Noun	Adjective	Verb	Adverb
judgment	Yes	No	No	No
opinion	Yes	No	No	No

As nouns, opinion is a hyponym of judgment; that is, opinion is a word with a more specific, narrower meaning than judgment:

judgment: (law) the determination by a court of competent jurisdiction on matters submitted to it
opinion: the reason for a court's judgment (as opposed to the decision itself)

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

judgment: an opinion formed by judging something
opinion: a personal belief or judgment that is not founded on proof or certainty

Other hypernyms of judgment include persuasion, sentiment, thought, view.

As nouns, judgment and opinion are synonyms defined as:

judgment and opinion: the legal document stating the reasons for a judicial decision

Other synonyms of judgment include judgement, legal opinion.

judgment (noun)	opinion (noun)
(law) the determination by a court of competent jurisdiction on matters submitted to it	the reason for a court's judgment (as opposed to the decision itself)
the act of judging or assessing a person or situation or event	a personal belief or judgment that is not founded on proof or certainty
the capacity to assess situations or circumstances shrewdly and to draw sound conclusions	a belief or sentiment shared by most people; the voice of the people
the cognitive process of reaching a decision or drawing conclusions	a vague idea in which some confidence is placed
the mental ability to understand and discriminate between relations	the legal document stating the reasons for a judicial decision
an opinion formed by judging something	a message expressing a belief about something; the expression of a belief that is held with confidence but not substantiated by positive knowledge or proof
the legal document stating the reasons for a judicial decision