| Text | Length |
| Sudden growth | 13 |
| End of many a race | 18 |
| Sudden gushing | 14 |
| Quick increase | 14 |
| Period of growth | 16 |
| Hose's gush | 15 |
| Gush suddenly | 13 |
| Finishing kick | 14 |
| Burst, as of energy | 19 |
| Blast in a hot tub | 18 |
| Action at the wire | 18 |
| Sudden growths | 14 |
| Brief bursts | 12 |
| Sudden gushes | 13 |
| Short spells | 12 |
| Last lap efforts | 16 |
| Increased efforts | 17 |
| Fits and starts | 15 |
| First satellite | 15 |
| Boiler plates | 13 |
| Speak spasmodically | 19 |
| Explosive utterance | 19 |
| Be incoherent | 13 |
| Bumbled verbally | 16 |
| ___ Duyvil, N.Y. | 16 |
| James Bond, e.g. | 16 |
| Watch secretly | 14 |
| Security threat | 15 |
| Watch covertly | 14 |
| Observe furtively | 17 |
| Work undercover | 15 |
| Bug someone, e.g. | 17 |
| Finder of secrets | 17 |
| Engage in espionage | 19 |
| Watch furtively | 15 |
| Mata Hari, for one | 18 |
| Espionage figure | 16 |
| Austin Powers, e.g. | 19 |
| Work under cover | 16 |
| Unwelcome plant? | 16 |
| Secret stealer | 14 |
| Mole with secrets | 17 |
| Maxwell Smart, e.g. | 19 |
| Intel collector | 15 |
| George Smiley, e.g. | 19 |
| Double agent, e.g. | 18 |
| Dangerous job | 13 |
| Undercover sort | 15 |
| Seek secrets | 12 |
| See suddenly | 12 |
| Place bugs or wires | 19 |
| Perform espionage | 17 |
| One with a cover | 16 |
| Observe covertly | 16 |
| Mole, perhaps | 13 |
| Intelligence seeker | 19 |
| Hale, for one | 13 |
| Hale or Hari | 12 |
| Do undercover work | 18 |
| Covert agent | 12 |
| Wiretapper, maybe | 17 |
| What's a Mata? | 18 |
| Watch undercover | 16 |
| Watch stealthily | 16 |
| Valerie Plame, e.g. | 19 |
| Use a tap, perhaps | 18 |
| Use a periscope | 15 |
| Use a peephole, say | 19 |
| Unwelcome plant | 15 |
| Unwanted plant? | 15 |
| U-2 pilot, e.g. | 15 |
| Triple agent | 12 |
| Stratego piece (3) | 18 |
| Smiley was one | 14 |
| Smart, for one | 14 |
| Shadow, maybe | 13 |
| Seek intelligence | 17 |
| Secrets stealer | 15 |
| Secret trader | 13 |
| Secret collector | 16 |
| Rudolf Abel, e.g. | 17 |
| Powers, e.g. | 12 |
| Plotted plant? | 14 |
| Plant or mole | 13 |
| Plant of a sort | 15 |
| Peek in (on) | 12 |
| One undercover | 14 |
| One may bug you | 15 |
| Northern, for one | 17 |
| Northern ___ | 12 |
| Mole or plant | 13 |
| Moe Berg for one | 17 |
| Mata Hari, notably | 18 |
| Many a bugger | 13 |
| Man of intelligence | 19 |
| Mail-drop user | 14 |
| Mad antagonist | 14 |
| Look in (on) | 12 |
| Le Carré staple | 18 |
| Le Carre creation | 17 |
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