Except

Words indicating that something is an exception to a group, rule or pattern: something is true of all the things (or people) in a group, but it is not true of one thing.

• What words indicate that something is not included in a group, rule, or pattern?
  except except for apart from aside from bar excepting but for but with the exception of but not
• What words refer to something that is not included in a group?
  exception