| Nuclear __: social unit | 23 |
| Nuclear ___ | 11 |
| Nuclear-arsenal weapon, for short | 33 |
| Nuclear-energy org. | 19 |
| Nuclear-energy source | 21 |
| Nuclear-explosion hot spot | 26 |
| Nuclear-fission apparatuses | 27 |
| Nuclear-physics devices | 23 |
| Nuclear-plant component | 23 |
| Nuclear-plant measurements | 26 |
| Nuclear-powered poet? | 21 |
| Nuclear-powered Soviet subs | 27 |
| Nuclear-reaction process | 24 |
| Nuclear-reactor part | 20 |
| Nuclear-treaty subjects | 23 |
| Nuclear-weapon unit | 19 |
| Nuclei | 6 |
| Nuclei of experts | 17 |
| Nucleic acid | 12 |
| Nucleic acid briefly | 21 |
| Nucleic acid base | 17 |
| Nucleic acid initials | 21 |
| Nucleic acid sugar | 18 |
| Nucleic acid, abbr. | 19 |
| Nucleic acid, for short | 23 |
| Nucleic acid: Abbr. | 19 |
| Nucleic acids | 13 |
| Nucleic acids, abbr. | 20 |
| Nucleic acids, for short | 24 |
| Nucleic acids: Abbr. | 20 |
| Nucleic initials | 16 |
| Nucleic-acid initials | 21 |
| Nucleobase compound | 19 |
| Nucleotide chain | 16 |
| Nucleotide chains | 17 |
| Nucleotide group | 16 |
| Nucleotide involved in photosynthesis | 37 |
| Nucleotide used in energy transfer: Abbr. | 41 |
| Nucleus | 7 |
| Nucleus + electrons | 19 |
| Nucleus + electrons etc. | 25 |
| Nucleus component | 17 |
| Nucleus locale | 14 |
| Nucleus occupant | 16 |
| Nucleus of an action unit | 25 |
| Nucleus of military personnel | 29 |
| Nucleus of military personnel, e.g. | 35 |
| Nucleus of officers | 19 |
| Nucleus of potential leaders | 28 |
| Nucleus of sorts | 16 |
| Nucleus of Spain's New Granada | 34 |
| Nucleus of trained people | 25 |
| Nucleus of trained personnel | 28 |
| Nucleus orbiters | 16 |
| Nucleus part | 12 |
| Nuclide | 7 |
| Nude | 4 |
| Nude alternative | 16 |
| Nude beach acquisition | 22 |
| Nude beach user? (trade 3 and 5) | 32 |
| Nude beaches? | 13 |
| Nude cousin? | 12 |
| Nude dancer St. Cyr | 19 |
| Nude medium, often | 18 |
| Nude or buff relative | 21 |
| Nude relative | 13 |
| Nude runner | 11 |
| Nude scene substitute, perhaps | 30 |
| Nude showers? | 13 |
| Nude sunbather's lack | 25 |
| Nude-beach visitors, maybe | 26 |
| Nudge | 5 |
| Nudge (oneself) | 15 |
| Nudge a little | 14 |
| Nudge alternative | 17 |
| Nudge forward | 13 |
| Nudge rudely | 12 |
| Nudge with a joint | 18 |
| Nudge with an arm bone | 22 |
| Nudge, as a memory | 18 |
| Nudge, as memory | 16 |
| Nudge, as one's memory | 26 |
| Nudge, as the memory | 20 |
| Nudged | 6 |
| Nudged awake | 12 |
| Nudged rudely | 13 |
| Nudged, dog-style | 17 |
| Nudged, like a horse | 20 |
| Nudger's joint | 18 |
| Nudges | 6 |
| Nudges into action | 18 |
| Nudges rudely | 13 |
| Nudges, in a way | 16 |
| Nudging joint | 13 |
| Nudging, and then some | 22 |
| Nudibranch | 10 |
| Nudibranchs | 11 |
| Nudie movie | 11 |
| Nudist | 6 |
| Nudist colony lament? | 21 |