| Answer | Crossword Clue |
|---|---|
| XTILE | There's only one in a Scrabble set |
| ACT | There's only one in Chekhov's A Marriage Proposal |
| RACK | One of four in a Scrabble set |
| SYLLABLE | There's only one in Maine |
| CONSONANT | There's only one in Iowa |
| NINETEEN | Number that can be spelled with only one-point Scrabble tiles |
