| Answer | Crossword Clue |
|---|---|
| TAU | Greek letter or cross |
| TAU | Cross-shaped Greek letter |
| TAU | Greek letter shaped like a cross |
| SERIF | Fine cross-stroke at top or bottom of a letter. |
| THETA | Greek letter or geometric symbol |
| DELTA | Letter in the Greek or NATO alphabet |
| betas | second letter of the Greek alphabet or its sound |
| beta | second letter of the Greek alphabet or its sound |
| sigmate | having the form of the Greek sigma or the letter S |
| pi | to jumble or disorder / a Greek letter (pr t PIS, PIES), also PIE, PYE |
