든지(deun-ji, deunji)
A connective ending used to freely choose one among multiple options
When to use
formal choice listing, written style choice expression, verb/adjective connection examples
The nuance
Attached to the stem of verbs or adjectives to list two or more choices; used more often in written or formal language than in spoken Korean.
거나(geo-na, geona)
A connective ending used to choose one among multiple options, commonly used in everyday conversation
When to use
casual choice listing, spoken style choice expression, verb/adjective connection examples
The nuance
Attached to the stem of verbs or adjectives to list two or more choices; very common in spoken Korean and more casual than '든지'.