同どう質しつ

noun, noun which may take the genitive case particle 'no', na-adjective

same quality; homogeneous; of the same nature

Describes things that share essential characteristics, composition, or nature. Often used in formal, academic, or analytical contexts.

• この二ふたつの製せい品ひんは同どう質しつの素そ材ざいで作つくられている。

  These two products are made of the same quality material.

• 彼かれらの意い見けんは同どう質しつだ。

  Their opinions are homogeneous.