Crossword Helper

The Clue

21st Greek letter (3 letter answer)

The Answer

PHI

Tags

Notes

The answer PHI is seen frequently, appearing about once every 160 puzzles.

Related Clues

21st letter
___ Beta Kappa
The Eagles, on a scoreboard
___ eta Kappa
Fraternity character
Fraternity letter
The golden ratio
Greek letter
Homophone for fie
Key letter
Key letter?
Key opener?
Letter on a key
Sorority character
Upsilon follower
Upsilon's successor
Fluidity symbol, in mechanics
Golden ratio symbol
Honor society letter
Honor society opening
Letter after upsilon
Letter on a certain key
Magnetic flux symbol
Part of a fraternity name
Symbol of electric flux
Greek symbol for the golden ratio
Letter seen twice in Philadelphia
Letter before Beta in a society's name

Definition

PHI as a noun:

1. the 21st letter of the Greek alphabet