どうかく同格doukaku
1.
The state in which two or more entities possess the same qualifications or status, often used in the context of how individuals or groups are treated similarly in formal situations, such as diplomatic interactions.
2.
A grammatical relationship in which two or more words or phrases within a sentence perform the same function or hold the same grammatical role, exemplified by the way certain elements relate to each other within a structure, such as in the phrase where multiple descriptors apply to a single noun.