What is the noun and adjective of except?

The word "except" is a preposition, not a noun or an adjective. It means "excluding" or "not including."

If you're looking for related nouns and adjectives, here are some options:

Nouns:

* Exception: something that is not included in a general rule or statement.

* Exclusion: the act of preventing something from being included.

Adjectives:

* Exceptional: unusual or outstanding.

* Exclusive: limited to certain people or things.

* Excepted: specifically excluded from something.

Keep in mind that "excepted" is less common than "excluded" or "exceptional."