| 100% | OPPONENT | 8 | Rival in a one-on-one match |
| 65% | EXTRA | 5 | One in a thousand, on a film set |
| 64% | TUTEE | 5 | One in a one-on-one session |
| 63% | LEG | 3 | A ballerina stands on one in an arabesque |
| 63% | ZING | 4 | Get in a good one on |
| 63% | ACED | 4 | Got a hole in one on |
| 63% | ACED | 4 | Scored a hole in one on |
| 63% | OUTDUEL | 7 | Best in a one-on-one |
| 62% | KEY | 3 | One in, or on, a chain |
| 62% | PAWN | 4 | One of eight matching chess pieces on a side |
| 62% | EAGLE | 5 | Hole in one on a par three |
| 61% | GOAL | 4 | One-third of a hat trick, in a soccer match |
| 61% | CONDOR | 6 | Hole in one on a par 5 hole |
| 61% | PREENS | 6 | Works on one's image, in a way |
| 61% | PHOTOSHOPS | 10 | Works on one's image, in a way |
| 60% | TKO | 3 | In a boxing match when one player is completely unconscious: Abbr. |
| 60% | RAVEN | 5 | One "sitting lonely on the placid bust," in a classic poem |
| 60% | HOLIST | 6 | One focusing on the big picture, typically in a medical context |
| 60% | PUDDLE | 6 | Someone might splash in one on a rainy day |
| 60% | LOO | 3 | You might wait in a queue for one at intermission on the West End |
| 59% | LUGE | 4 | Sport in which one races in a sled on ice |
| 59% | TURRET | 6 | Small tower on a larger one, like in a castle |
| 59% | MELDING | 7 | Putting one's cards on the table, in a way |
| 59% | BOGUSJOURNEY | 12 | Bill and Ted went on one in a 1991 film |
| 59% | SIGNATURE | 9 | What one puts on the dotted line, in a contract |
| 59% | OPPO | 4 | ___ research (dirt on a rival, in political lingo) |
| 59% | OPPO | 4 | Research on a rival, in D.C.-speak |
| 59% | CHAR | 4 | One in on the founding of a company |
| 59% | ZEPPO | 5 | One of the brothers in a garbage can on a ''Time'' cover (1932) |
| 59% | HARPO | 5 | One of the brothers in a garbage can on a ''Time'' cover (1932) |