使い分け
Common
Noun
Irregular
Transitive
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verb
proper use;using (different things) for different purposes
引用した問題ではありませんが、関係代名詞と関係副詞の使い分けを問う問題がリーディングセクションにはあります。
The problem quoted isn't one, but there are problems in the reading section that ask you to distinguish relative pronouns from relative adverbs.
Other forms
使いわけ 【つかいわけ】 · 使分け 【つかいわけ】 (irregular okurigana usage)