Related Clues:

• Common subject?
• It's not always proper
• Predicate part
• Sir or madam
• Sentence subject, usually
• It may be abstract
• Word before a verb, maybe
• This answer is one
• Do or die
• Subject word
• You name it
• Hop, skip or jump
• 'Make' or 'break'
• "Sink" or "swim"
• Thing, in English class