Related Clues:

• 4:1, e.g.
• Everlasting
• Steady
• Regular
• Fixed
• Statistical bit
• Relationship
• Tangent, e.g.
• 5 to 1, say
• Unvarying
• Tangent or secant
• True
• I.Q., e.g.
• Percentage
• 2:1, e.g.