Shirabe
  • Common
  • noun (common) (futsuumeishi)
  • noun or participle which takes the aux. verb suru
  • transitive verb
Common Noun Irregular Transitive
English JMdict (multilingual)
1
noun (common) (futsuumeishi)noun or participle which takes the aux. verb surutransitive verb proper use;using (different things) for different purposes
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

漢字 kanji used

use, send on a mission 8画 part, minute of time 4画