[English study] Words having meanings both adjective and verb

When we study English, we encounter some confusing words having the meanings both adjective and verb. This means the words can be used with be verb, or itself at the same time as predicate. This may be grammatically confusing because we should distinguish them in the meaning.

1. Equal
2. Separate
3. Corrupt 부패한, 타락시키다.
4. Open
eg) The store is open.
5. Compete