| Text | Length |
| Unmixed, as a drink | 19 |
| Unmixed, as whiskey | 19 |
| Unmixed, at a mixer | 19 |
| Unmodernized | 12 |
| Unmopped area? | 14 |
| Unmovable ones | 14 |
| Unmusical anatomy | 17 |
| Unmusical birdcall | 18 |
| Unmusical one | 13 |
| Unmusical, in a way | 19 |
| Unnamed alternative | 19 |
| Unnamed auth. | 13 |
| Unnamed culprits | 16 |
| Unnamed degree | 14 |
| Unnamed degrees | 15 |
| Unnamed fellow | 14 |
| Unnamed individual | 18 |
| Unnamed litigant | 16 |
| Unnamed ones | 12 |
| Unnamed others | 14 |
| Unnamed people | 14 |
| Unnamed person | 14 |
| Unnamed quantity | 16 |
| Unnamed source | 14 |
| Unnamed woman | 13 |
| Unnatural high | 14 |
| Unnatural lies? | 15 |
| Unnatural manner | 16 |
| Unnatural one? | 14 |
| Unnatural quietness | 19 |
| Unnatural, as hair | 18 |
| Unnatural, in a way | 19 |
| Unnatural-sounding | 18 |
| Unnatural; stiff | 16 |
| Unnaturalized | 13 |
| Unnaturally high | 16 |
| Unnaturally pale | 16 |
| Unnaturally up | 14 |
| Unnecessary cost | 16 |
| Unnecessary extra | 17 |
| Unnecessary feature | 19 |
| Unnecessary hassle | 18 |
| Unnecessary part | 16 |
| Unnecessary person | 18 |
| Unnecessary worries | 19 |
| Unneeded coins | 14 |
| Unnerving look | 14 |
| Unnerving, perhaps | 18 |
| Unnerving: Var. | 15 |
| Unnewsy news | 12 |
| Unnice comment | 14 |
| Unnumbered spheres | 18 |
| Unnumbered years | 16 |
| Uno dos y tres | 15 |
| Uno dos y tres sum | 19 |
| Uno due ____ | 14 |
| Uno due y tre | 14 |
| Uno + cuatro | 12 |
| Uno + due + tre | 15 |
| Uno + uno + uno | 15 |
| Uno and Doblò | 16 |
| Uno and others | 14 |
| Uno follower | 12 |
| Uno less than nueve | 19 |
| Uno minus uno | 13 |
| Uno plus dos | 12 |
| Uno plus due | 12 |
| Uno plus uno | 12 |
| Uno relative | 12 |
| Uno y dos y tres | 16 |
| Uno, dos, -- | 12 |
| Uno, dos, ___ | 13 |
| Uno, due, -- | 12 |
| Uno, due, -- ... | 16 |
| Uno, due, ___ | 13 |
| Uno, for example | 16 |
| Uno, for one | 12 |
| Uno, por ejemplo | 16 |
| Uno, un, eins, etc. | 19 |
| Uno, ___, tres | 14 |
| Unobstructed | 12 |
| Unobtrusive signals | 19 |
| Unobtrusive sound | 17 |
| Unobtrusiveness | 15 |
| Unoccupied, as time | 19 |
| Unofficial currency | 19 |
| Unofficial poll | 15 |
| Unopened bloom | 14 |
| Unopened flower | 15 |
| Unopened flowers | 16 |
| Unopened in the box | 19 |
| Unopened rose | 13 |
| Unopened roses | 14 |
| Unopened tulip | 14 |
| Unoriginal and dull | 19 |
| Unoriginal argument | 19 |
| Unoriginal movie? | 17 |
| Unoriginal one | 14 |
| Unoriginal ones | 15 |
| Unoriginal people | 17 |
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