1. Noun, Noun, used as a suffix

   1.

   system; organization; organisation

Example sentences

• 日本語の表記体系は不満かい？

  Are you not satisfied with the Japanese writing system?

• この本は、現代日本語の文法をできるだけわかりやすく、体系的に説明しようとする本です。

  This book aims to provide an explanation of modern Japanese grammar that is as systematic and as easily understood as possible.