deputy · secondary

1. Origins, structure, and basic meaning

• Structure: 副 has eleven strokes and the on-reading ふく.
• Basic usage: It indicates a secondary role, activity, or result alongside or subordinate to the main one.

2. Common pitfalls and similar expressions

• A rank and a secondary job
  • 副社長(ふくしゃちょう) is the rank of vice president, while 副業(ふくぎょう) is work done in addition to one's main job.
• The size of a side effect
  • 副作用(ふくさよう) is a side effect accompanying the main effect; it can also figuratively describe an unexpected consequence of a system or choice.
  • Being secondary here does not guarantee that the impact is small or minor.