| Answer | Crossword Clue |
|---|---|
| XER | One marking a ballot |
| undervotes | A ballot not counted because of unclear marking by the voter |
| undervote | A ballot not counted because of unclear marking by the voter |
| ostrakon | (in ancient Greece) a potsherd, esp. one used as a ballot on which the name of a person voted to be ostracized was inscribed |
| ostraca | (in ancient Greece) a potsherd, esp. one used as a ballot on which the name of a person voted to be ostracized was inscribed |
| ostraka | (in ancient Greece) a potsherd, esp. one used as a ballot on which the name of a person voted to be ostracized was inscribed |
