Related Clues:

• Better halves
• Husbands and wives
• E.g. and etc., e.g.
• CEO and President
• Dust jacket headings
• Etc. and ibid., e.g.
• King and queen
• Other halves
• Epithets
• Lines on spines
• Earl and duke, e.g.
• Lat. and long., e.g.
• Chapter headings, e.g.
• Lady and lord, e.g.
• Bestseller list makeup