와

1. wa
A postpositional particle used to indicate that something is the subject of a comparison or subject of a standard.

2. wa
A postpositional particle that indicates the person who one is doing something with.

3. wa
A postpositional particle used to indicate the person one is doing something with.

4. wa
A postpositional particle used to list the preceding and following nouns on an equal footing.