| Nuclear org. created under HST | 30 |
| Nuclear org. | 12 |
| Nuclear or spinal actions | 25 |
| Nuclear Nobelist Niels | 22 |
| Nuclear Nobelist | 16 |
| Nuclear Niels | 13 |
| Nuclear missile, briefly | 24 |
| Nuclear missile | 15 |
| Nuclear meltdown in a recent film | 33 |
| Nuclear measure | 15 |
| Nuclear liquid | 14 |
| Nuclear group set up in 1957 | 28 |
| Nuclear group | 13 |
| Nuclear giants | 14 |
| Nuclear fuel holders | 20 |
| Nuclear force elements | 22 |
| Nuclear fission target | 22 |
| Nuclear fission Nobelist Otto | 29 |
| Nuclear fission discoverer Otto | 31 |
| Nuclear fission discoverer | 26 |
| Nuclear fission co-discoverer Otto | 34 |
| Nuclear family? | 15 |
| Nuclear family member | 21 |
| Nuclear fam member | 18 |
| Nuclear explosion result, maybe | 31 |
| Nuclear explosion aftermath | 27 |
| Nuclear explosion | 17 |
| Nuclear experiments, for short | 30 |
| Nuclear experiments | 19 |
| Nuclear experiment | 18 |
| Nuclear event, in headlines | 27 |
| Nuclear event | 13 |
| Nuclear energy source | 21 |
| Nuclear energy producer | 23 |
| Nuclear energy agcy. | 20 |
| Nuclear device | 14 |
| Nuclear defense grp. | 20 |
| Nuclear defense acronym | 23 |
| Nuclear craft for short | 24 |
| Nuclear control org. | 20 |
| Nuclear compound | 16 |
| Nuclear component | 17 |
| Nuclear cease-fire | 18 |
| Nuclear binder | 14 |
| Nuclear attachment | 18 |
| Nuclear apparatus | 17 |
| Nuclear and solar, e.g. | 23 |
| Nuclear agreement item | 22 |
| Nuclear agency: Abbr. | 21 |
| Nuclear agency established by H.S.T. | 36 |
| Nuclear agency estab. under Truman | 34 |
| Nuclear age govt. org. | 22 |
| Nuclear agcy. until 1975 | 24 |
| Nuclear agcy. till 1975 | 23 |
| Nuclear agcy. formed under Truman | 33 |
| Nuclear agcy. | 13 |
| Nuclear adjective | 17 |
| Nuclear abbr. | 13 |
| Nuclear | 7 |
| Nucky's brother, on "Boardwalk Empire" | 52 |
| Nuchal areas | 12 |
| Nuchal area | 11 |
| Nucha or nuque | 14 |
| Nucha | 5 |
| Nubuck alternative | 18 |
| Nubs | 4 |
| Nubile, in a way | 16 |
| Nubile maidens | 14 |
| Nubians or ibexes | 17 |
| Nubian ___ | 10 |
| Nubian or Sonoran | 17 |
| Nubian Desert site | 18 |
| Nubian Desert locale | 20 |
| Nubia, today | 12 |
| Nubia irrigator | 15 |
| Nubby yarn | 10 |
| Nubby fabric derived from a cocoon | 34 |
| Nubby fabric | 12 |
| Nubbins | 7 |
| Nubbin | 6 |
| Nub of the argument | 19 |
| Nub | 3 |
| Nuances | 7 |
| Nuanced | 7 |
| Nuance | 6 |
| Nu-___ (lawn care brand) | 24 |
| Nu-metal band ___ pe | 20 |
| Nu-metal band ___ Chamber | 25 |
| Nu-metal band who did the 2002 song "Headstrong" | 58 |
| Nu metal, e.g. | 14 |
| Nu metal band whose name is written with a backwards "R" | 66 |
| Nu metal band from Miami | 24 |
| Nu metal band from California | 29 |
| Nu metal band | 13 |
| Nu followers | 12 |
| Nu | 2 |
| NTSC alternati...oh wait, no one else cares about analog television protocols and their effect on the framerates of classic video games. Let's just go with [Bud] for this clue | 179 |
| Ntozake Shange play "For Colored Girls Who Have Considered Suicide When the Rainbow Is ___" | 101 |
| Nth: Abbr. | 10 |
| Nth or third | 12 |