- - letter that sounds like a column's counterpart
- - Fraternity row letter with a homophone in this clue
- - letter on greek euros
- - 17th letter
- - The letter after pi
- - three letters before a city's name, in many reality show titles
- - Greek letter that sounds like "row"
- - Greek letter R
- - Greek letter that resembles a P
- - Letter from Greece slipped into our house
- - greek letter between pi and sigma
- - Only Greek letter ending in 'o'
- - galley slave's least favorite greek letter?
- - Letter for Plato
- - letter following pi
- - Greek letter that follows "pi"
- - other half of a christogram symbol
- - Greek alphabet, 17th letter
- - Greek letter and numeral with value 100
- - Seventeenth letter
- - 17th letter of Greek alphabet
- - Greek letter for R
- - Letter between pi and sigma
- - Christogram component
- - P-shaped Greek letter
- - Greek letter that comes after pi
- - First letter in the last third of the Greek alphabet
- - Seventeenth letter of the Greek alphabet
- - Pan-Hellenic letter
- - Letter used with theta and phi to represent spherical coordinates
- - Letter used as a density symbol
- - Letter that follows pi
- - Letter shaped like a P
- - Letter on some euros
- - Letter on some college jackets
- - Letter on some campus sweatshirts
- - Letter in the Hammett equation
- - Letter in Socrates' name
- - Letter from Corinthians
- - Letter from college?
- - Letter between pi and sigma in the Greek alphabet
- - Greek letter whose capital looks like a P
- - Greek letter used in spherical coordinates
- - Greek letter that's a homophone of two English words
- - Greek letter in an early Christogram
- - Greek euro letter
- - Fraternity letter that looks like a P
- - Frat letter that rhymes with row
- - Crew member's favorite Greek letter?
- - Christogram component, sometimes
- - Christogram component, perhaps
- - Another Greek letter
- - Frat letter, perhaps
- - Christogram letter
- - Letter from Greece
- - Letter from the Corinthians
- - Frat house letter
- - Campus letter
- - 17th Greek letter
- - P-like letter
- - Greek letter that sounds like a verb
- - Letter after pi
- - Greek letter after pi
- - Letter before sigma
- - Letter two before tau
- - 17th letter of the Greek alphabet
- - Letter that looks like a P
- - Greek letter that sounds like part of a spreadsheet
- - Fraternity letter that's a homophone of where fraternities might be found
- - Greek letter that looks like a P
- - P-like Greek letter
- - Letter from Homer
- - Letter from Greece, from air hostess
- - Letter from island with half missing
- - Density symbol that sounds like "roe"
- - Symbol for density that sounds like "roe"
- - p-looking character pronounced as an r
- - Pi, ...., sigma
- - Greek character in starter home
- - P in Athens
- - one-third of a sculling frat?
- - p as in the parthenon?
- - greek symbol of density
- - Greek character runs house
- - Greek character in bank, by the sound of it?
- - ρ
- - The end of Hector, as Homer wrote it?
- - It comes after pi
- - Density symbol, in mechanics
- - Pi-sigma go-between
- - P, in the Greek alphabet
- - Pythagorean P
- - P, on a fraternity house
- - After pi
- - P, on a fraternity sweater
- - P, on a fraternity jacket
- - Follower of pi
- - Sigma follows it
- - Pi's successor
- - Part of the Greek alphabet
- - Before sigma
- - Sorority chapter
- - Peloponnesian P
- - It follows pi
- - Between pi and sigma
- - Air density symbol
- - When written three times, fraternity in "Revenge of the Nerds"
- - When tripled, a crew member's fraternity?
- - When said three times, a crew member's fraternity?
- - What sigma follows
- - The "r" in Aristotle
- - Symbol of mass density
- - Sigma's predecessor
- - Sigma predecessor
- - Sigma neighbor
- - Secondary character in Aristophanes?
- - Reflectance symbol
- - Pythagorean character
- - Plutarch character?
- - Pi Sigma separator
- - Pi neighbor
- - Pi chaser
- - P's look-alike
- - P, to Plutarch
- - P, to Penelope
- - P, on some sweaters
- - P, on fraternity sweaters
- - P, on campus
- - P, for Pythagoras
- - P that's two before T
- - P in the Parthenon
- - P as in physics
- - One-third of a Greek boating fraternity?
- - Next after pi.
- - Measure of an option's sensitivity to interest rate changes
- - Mass-over-volume symbol
- - It's between pi and sigma
- - Hellenic P
- - Hector's end?
- - Greek homophone for roe
- - Greek ar
- - Good name for the crew team fraternity?
- - Fraternity chapter #17
- - Chi-...... (military insignia for Constantine the Great)
- - Chi-...... (Christian symbol)
- - Character used in density
- - Aristotle's P
- - Ar, in Athens
- - Alpha Chi .......
- - 17th chapter
- - "P" as in Ptolemy
- - Greek character
- - Fraternity chapter
- - Symbol of density
- - A fraternity chapter
- - Pi follower
- - P, in a sorority name
- - Plato's P
- - Greek P
- - P look-alike
- - Density symbol borrowed from the Greek alphabet
- - P, to Plato
- - It looks like a "P" but sounds like an "R"
- - Symbol of resistivity
- - Part of the Greek spelling of 'Aristotle'
- - Sigma preceder
- - Homophone of 'roe'
- - P lookalike
- - P, as for Plato
- - P, to Pythagoras
- - It's after pi
- - Part of the original spelling of 'Sparta'
- - P two before T
- - Density symbol
- - P
- - P on a frat pin
- - P, to Persephone
- - Socrates' P
- - It follows pi and precedes sigma
- - Parthenon P
- - Density symbol, in physics
- - Pi + 1?
- - P, in Greece
- - Resistivity symbol
- - Royal Highness, old Greek character
- - Sorority 'P'
- - P, in Greek
- - Homophone of 'row'
- - P, for Plato
- - P, in a fraternity name
- - Frat house P
- - Fraternity P
- - Pi-sigma link
- - P, to Socrates
- - P on fraternity row
- - Interactive website feature
- - P, to Greeks
- - "P" of the Greeks
- - Another Greek alphabet
- - P, to Pericles
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