英語で何と言いますか?でequivalentを使います。
What is the Enflish equivalent of "Hanko."
単にWhat is the English for "Hanko."でもいいんですが、このequivalentの形もときどき出会います。これは形容詞ではなく名詞です。Hanko(判子)はsealsとかpersonal sealsとかいいます。
Japan had been the world's largest ivory importer, as it used ivory to produce seals, which are used to leave official marks on documents in the Japanese equivalent of signatures in western nations.