| Text | Length |
| Understand President Bush | 25 |
| Understand or be punished | 25 |
| Understand now, as someone's tricks | 39 |
| Understand intuitively | 22 |
| Understand innately | 19 |
| Understand incorrectly | 22 |
| Understand how things are done | 30 |
| Understand fully | 16 |
| Understand finally | 18 |
| Understand clearly | 18 |
| Understand at last | 18 |
| Understand a joke | 17 |
| Understand | 10 |
| Understaffed situation | 22 |
| Underskirt | 10 |
| Undersized, in Ayr | 18 |
| Undersized stock trade | 22 |
| Undersized pickpocket? | 22 |
| Undersized person | 17 |
| Undersized ones | 15 |
| Undersized one | 14 |
| Undersized flower girl? | 23 |
| Undersized creatures | 20 |
| Undersized bats and gloves, e.g. | 32 |
| Undersized | 10 |
| Undersize keyboard | 18 |
| Undersize | 9 |
| Undersides of overhangs | 23 |
| Undersides | 10 |
| Underside-of-the-desk gunk | 26 |
| Underside of some shoes | 23 |
| Underside of a ship | 19 |
| Underside of a plane | 20 |
| Undershot, say | 14 |
| Undershirts | 11 |
| Undershirt, maybe | 17 |
| Undershirt, in Leeds | 20 |
| Undershirt, in Britain | 22 |
| Undershirt neck shape | 21 |
| Undershirt brand | 16 |
| Underseas man | 13 |
| Undersea weapon | 15 |
| Undersea vessels | 16 |
| Undersea vessel | 15 |
| Undersea vegetation | 19 |
| Undersea travelers | 18 |
| Undersea trackers | 17 |
| Undersea tracker | 16 |
| Undersea prowler, briefly | 25 |
| Undersea prowler | 16 |
| Undersea party pooper? | 22 |
| Undersea killers | 16 |
| Undersea job? | 13 |
| Undersea explorer Jacques | 25 |
| Undersea explorer | 17 |
| Undersea craft (Abbr.) | 22 |
| Undersea craft | 14 |
| Undersea acronym | 16 |
| Underscores | 11 |
| Underscore? | 11 |
| Underscore neighbor | 19 |
| Underscore | 10 |
| Underrate or overrate | 21 |
| Underprivileged ones | 20 |
| Underprivileged one | 19 |
| Underprivileged | 15 |
| Underpriced item | 16 |
| Underpopulated | 14 |
| Underpinnings of Windows 1.0 | 28 |
| Underpinnings | 13 |
| Underpinning for ham | 20 |
| Underpinning for food | 21 |
| Underpinning | 12 |
| Underperforming investment, slangily | 36 |
| Underperforming | 15 |
| Underperform | 12 |
| Underpay a comic actor? | 23 |
| Underpass drainage channels | 27 |
| Underpants | 10 |
| Undernourished sheep | 20 |
| Undernourished lamb | 19 |
| Undernourished ewe | 18 |
| Undernourished | 14 |
| Underneath | 10 |
| Undermines, as support | 22 |
| Undermines | 10 |
| Underminer of principles | 24 |
| Undermined | 10 |
| Undermine, as confidence | 24 |
| Undermine gradually | 19 |
| Undermine | 9 |
| Underlying values | 17 |
| Underlying theme of "Se7en" | 37 |
| Underlying theme | 16 |
| Underlying system of beliefs | 28 |
| Underlying structure | 20 |
| Underlying source | 17 |
| Underlying reason | 17 |
| Underlying principle of the universe | 36 |
| Underlying principle | 20 |
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