Related Clues:

• When they're proper, it's capital!
• Bush and Gore, e.g.
• English things
• Sentence subjects
• Direct objects, usually
• Persons, places and things
• Parts of speech
• "Proper" words
• All things
• English subjects
• Objects, e.g.
• ''Cabbages'' and ''kings''
• Salt and pepper, e.g.
• Some are proper
• Grammar class subjects