방언(bang-eon, bangeon)
A dialect used by people in a specific region within a country, often recognized academically
When to use
academic research, official documents, linguistics lectures
The nuance
Used mainly in formal or academic contexts to refer broadly to regional language differences
사투리(sa-tu-ri, saturi)
Distinctive speech patterns or accents used daily by people from a certain region, often with a non-standard nuance
When to use
casual conversation, drama dialogues, everyday speech
The nuance
Common in informal spoken language, suitable when referring to familiar or sometimes non-standard speech
지역어(ji-yeok-eo, jiyeokeo)
Words or expressions unique to a specific region, emphasizing vocabulary rather than overall dialect
When to use
explaining regional words, dictionary compilation, cultural studies
The nuance
Used when referring to unique words or expressions of a region, narrower in scope than 방언