밖에(bakk-e, bakke)
Expresses a negative limitation, used with ‘~밖에 없다’ to mean ‘only’ in a restrictive, often negative sense, opposite to ‘뿐만 아니라’.
When to use
negative limitation, quantity restriction, negative sentence required
The nuance
‘밖에’ must be used with a negative verb (often ‘없다’) in the structure ‘~밖에 없다’ to indicate limitation.
만(man)
Expresses positive limitation, meaning ‘only’ or ‘just’, similar to ‘뿐’ but without negative nuance.
When to use
positive limitation, affirmative sentence use, quantity emphasis
The nuance
‘만’ is used in affirmative sentences, attached to nouns to indicate limitation.
뿐(ppun)
Expresses emphasis and limitation simultaneously, often in the structure ‘~뿐이다’ meaning ‘only’ or ‘just’.
When to use
emphasis and limitation, affirmative and negative possible, ‘~뿐이다’ structure
The nuance
‘뿐’ is used in the form ‘~뿐이다’, can appear in both affirmative and negative sentences, mainly for emphasis.