| Answer | Crossword Clue |
|---|---|
| TAU | First letter in the fourth quarter of the Greek alphabet |
| ETA | First letter in the second quarter of the Greek alphabet |
| ETA | Penultimate letter in the first third of the Greek alphabet |
| RHO | First letter in the last third of the Greek alphabet |
| ALPHA | First letter of the Greek alphabet |
| GAMMA | Third letter in the Greek alphabet |
| OMEGA | Last letter in the Greek alphabet |
| CHI | Antepenultimate letter in the Greek alphabet |
| DELTA | Letter in the Greek or NATO alphabet |
