Related Clues:

• Proper word, at times
• Unit
• It may be a proper subject
• Common word?
• Hook, line or sinker
• Sentence part
• Verb subject
• It's subject to modification
• English 101 topic
• Grammar class subject
• Subject or object
• Person, place, or thing
• Person, place or thing
• Parser's part
• Thing, e.g.