The noun 'judge' is a common noun as a general word for any public official appointed to decide cases in a court of law; a general word for any a person who officially decides the results of a competition; a general word for any person who is qualified to give an opinion.
A proper noun is the name or title of a specific person, place, or thing.
The word 'judge' is also a verb: judge, judges, judging, judged.
The word plaintiff is a common noun, unless it is attached to the plaintiff's name, then it can be a proper noun.
Supreme Court is a proper noun.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
The noun plaintiff is a common noun; lower case unless it starts a sentence. The noun Plaintiff is a proper noun when used to name a specific plaintiff; for example, Plaintiff: Malcolm M. Malcolm or Malcolm M. Malcolm, Plaintiff.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Common
It is a proper noun, because it is the name of a specific thing.
proper
Proper noun
Pencil proper or common noun
it's a common noun. a proper noun would be Spider-Man.
Proper noun or common noun
The noun cassette is a common noun.
a common noun?
The answer is proper noun. Examples of common noun and proper noun are: Proper noun: Mary Collins Common noun: monkey