Related Clues:

• Subject of a sentence
• Proper subject, perhaps
• Half of an argument
• Heads or tails, e.g.
• Album half
• 'Adjective' or 'adverb,' e.g.
• Plus or minus
• Battle joiner's choice
• Subject, often
• Morning or evening, e.g.
• Pen or pencil, e.g.
• LP option
• Fries, to a burger
• With 47 Across, record part
• __ dish (rice or beans, e.g.)