noun, noun which may take the genitive case particle 'no', na-adjective
same rank; equal standing; equality
Used for people, positions, or things that are on the same level or of equal status. Often appears in formal or comparative contexts.
彼は社長と同格の待遇を受けている。
He receives treatment on par with the company president.
Both should be treated equally.
noun
apposition
Grammatical term for a construction where two noun phrases are placed side by side with the same referent, e.g., 友達の田中さん.
「友達の田中さん」の「友達」と「田中さん」は同格の関係にある。
In 'my friend Tanaka-san', 'friend' and 'Tanaka-san' are in an appositional relationship.