| Text | Length |
| One at the bar | 14 |
| One at table | 12 |
| One at an expo | 14 |
| One at an audition | 18 |
| One at a time | 13 |
| One at a sidebar | 16 |
| One at a reunion | 16 |
| One at a recital | 16 |
| One at a keyboard | 17 |
| One at a homecoming | 19 |
| One at a hoedown | 16 |
| One at a checkout | 17 |
| One at a ball | 13 |
| One assigning work | 18 |
| One armed bandit | 16 |
| One approaching 100 | 19 |
| One and _____ | 13 |
| One and three | 13 |
| One and the same | 16 |
| One and the other | 17 |
| One and only? | 13 |
| One and only member | 19 |
| One and only | 12 |
| One always snacking | 19 |
| One all, say | 12 |
| One aided by Nader | 18 |
| One against another | 19 |
| One after the other | 19 |
| One after H.S.T. | 16 |
| One after congers | 17 |
| One after another? | 18 |
| One after another | 17 |
| One after -- | 12 |
| One adding kick | 15 |
| One acting badly? | 17 |
| One acting badly | 16 |
| One acre, e.g. | 14 |
| One above a tenor | 17 |
| One about to shoot | 18 |
| One a-courting | 14 |
| One a'courting | 18 |
| One A in AMA | 12 |
| One A in aka | 12 |
| One a day, e.g. | 15 |
| One --- customer | 16 |
| One -- million | 14 |
| One -- customer | 15 |
| One + one, to Burns | 19 |
| One to Juan | 12 |
| One in Paris | 13 |
| One in Oaxaca | 14 |
| One in Essen | 13 |
| One in Bonn | 12 |
| One in Berlin | 14 |
| One in Arles | 13 |
| Oncology procedure | 18 |
| Oncle's wife | 16 |
| Oncle's spouse | 18 |
| Oncle's partner | 19 |
| Oncle's mate | 16 |
| Once-while link | 15 |
| Once-wedded ones | 16 |
| Once-sacred snakes | 18 |
| Once-sacred snake | 17 |
| Once-sacred coilers | 19 |
| Once-pricey flyers | 18 |
| Once-popular song | 17 |
| Once-popular Olds | 17 |
| Once-popular diet | 17 |
| Once-over giver | 15 |
| Once-ler's foe | 18 |
| Once-in-a-lifetime | 18 |
| Once-in-a-blue-moon | 19 |
| Once-divided place | 18 |
| Once-divided city | 17 |
| Once-a-year visitor | 19 |
| Once-a-year bloomer | 19 |
| Once-a-week menace | 18 |
| Once-a-decade event | 19 |
| Once, quaintly | 14 |
| Once, perhaps | 13 |
| Once, old-style | 15 |
| Once, old style | 15 |
| Once, of old | 12 |
| Once, long ago | 14 |
| Once, in the past | 17 |
| Once, in Scotland | 17 |
| Once, in old times | 18 |
| Once, in Dundee | 15 |
| Once, in days past | 18 |
| Once, formerly | 14 |
| Once, but not twice | 19 |
| Once, at one time | 17 |
| Once, archaically | 17 |
| Once's partner | 18 |
| Once _____ while | 16 |
| Once ____ blue moon | 19 |
| Once ___ while | 14 |
| Once ___ time | 13 |
| Once ___ lightly | 16 |
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