Related Clues:

• Only Greek letter ending in 'o'
• Greek symbol of density
• Greek letter that resembles a P
• Greek "P"
• Plato's P
• Greek letter that sounds like 'row'
• The letter after pi
• P, in Athens
• Greek letter that sounds like 63-Down
• Pi, ____, sigma
• 42-Across preceder
• P, on a sorority house
• Greek character's rank discussed
• This Greek character is heard in sequence
• Fraternity row letter with a homophone in this clue