愛称

1. Origins, structure, and basic meaning

• Structure: 愛称, read あいしょう, is a noun for a familiar nickname or pet name.
• Basic usage: 愛称が付く describes a nickname being assigned, whereas 愛称で呼ぶ describes addressing someone by that name.

2. Common pitfalls and similar expressions

• A name being given and a name being used
  • With が付く the nickname comes into existence; with で呼ぶ it is the form of address used for a person.