depend

1. Origins, structure, and basic meaning

• Structure: 依 is associated with relying on something or someone; 依頼 is read いらい.
• Basic usage: 依頼 is the act of requesting something, while 依存 describes reliance on another source of support.

2. Common pitfalls and similar expressions

• Request and reliance
  • 修理を依頼する means to request a repair. In 収入源に依存する, に marks the source being relied upon.
• Two readings of 依存
  • 依存 has the readings いそん and いぞん. The reading alone does not distinguish the object or meaning of the dependence.