サイドワーク

noun

side work; side job

Refers to work done in addition to one's main job, often for extra income. A straightforward loanword from English.

• 彼かれは本ほん業ぎょうのほかにサイドワークでウェブデザインをしている。

  In addition to his main job, he does web design as side work.

• サイドワークで得えた収しゅう入にゅうは確かく定てい申しん告こくが必ひつ要ようですか？

  Do I need to file a tax return for income from a side job?