Related Clues:

• 2010 remake "True ___"
• 'Discretion is the better part of ___'
• Forcefulness
• Sandy stuff
• Excessive boldness
• Courage sounds like iron, for instance
• Spirit could sound like iron, say
• Hard particles for firmness of character
• Brawn, muscle power.
• Gravel or colloquial courage
• Strand of body tissue
• Staying-power, endurance
• Courage of the spinal column
• Courage or strength of character
• Spirit and courage sound like iron, say