| 100% | TEE | 3 | August is the only month that ends with one |
| 61% | ANI | 3 | April is the only month that has one |
| 48% | PHD | 3 | Wilson was the only president with one |
| 45% | MOTTO | 5 | Montana is the only U.S. state with one in Spanish |
| 45% | SOCANI | 6 | "You're not the only one with that ability" |
| 44% | APRIL | 5 | One of the months with only 30 days |
| 42% | FILTERTIPS | 10 | Cigarettes that can only be smoked from one end |
| 42% | CASABLANCA | 10 | 1942 film that ends with the line “Louis, I think this is the beginning of a beautiful friendship” |
| 42% | DEC | 3 | Month that ends with a countdown, for short |
| 41% | SKELETON | 8 | The Blue ridge coral is the only one that forms a __ |
| 41% | NINETEEN | 8 | Number that can be spelled with only one-point Scrabble tiles |
| 41% | OCT | 3 | Month that ends with a "spooky" day, for short |
| 41% | MONTH | 5 | August is the eighth one |
| 41% | DARKNET | 7 | Part of the web that can only be accessed with specialty software |
| 41% | FRAME | 5 | Something that will only end when everything's disappeared into the pockets |
| 41% | TAB | 3 | Diet cola that's being discontinued at the end of this month |
| 40% | MOVERS | 6 | Businesses that tend to be busiest at the starts and ends of months |
| 40% | DEC | 3 | Month that ends the year, for short |
| 40% | POLE | 4 | John Paul II has been the only pope that has been one of these |
| 40% | CHESS | 5 | Board game with rooks and knights that is one of the oldest board games |
| 40% | SEP | 3 | Month that ends the 3rd quarter, for short |
| 39% | IMAGINE | 7 | John Lennon song that ends, "I hope some day you'll join us / And the world will be as one" |
| 39% | YOUTOO | 6 | "And here I thought I was the only one" |
| 39% | IPODS | 5 | Touches are the only ones still produced |
| 39% | HORN | 4 | Mellow-toned brass instrument that is narrow at one end and much wider at the other |
| 38% | TWEET | 5 | One of the approx. 3.2 million statements that starts with "If only Bradley's arm was longer" |
| 38% | ZEE | 3 | Arizona is the only state to have one |
| 38% | BEARD | 5 | Dopey is the only Disney dwarf without one |
| 38% | ILIAD | 5 | Poem that ends with the funeral of Hector |
| 38% | ILIAD | 5 | Poem that ends with the burial of Hector |