| 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 |
| Nudist's antithesis | 23 |
| Nudist's covering? | 22 |
| Nudist's lack | 17 |
| Nudists | 7 |
| Nudity | 6 |
| Nudity might lead to this | 25 |
| Nudnick | 7 |
| Nudnicks | 8 |
| Nudnik | 6 |
| Nudnik or buttinsky | 19 |
| Nudniks | 7 |
| Nuestra ___ de Atocha (ship that sank in 1622) | 46 |
| Nueva Galicia governor | 22 |
| Nueva York, por ejemplo | 23 |
| Nueve menos dos | 15 |
| Nueve menos ocho | 16 |
| Nueve menos uno | 15 |
| Nueve preceder | 14 |
| Nueve's square root | 23 |
| Nuevo Laredo nap | 16 |
| Nuevo Laredo store | 18 |
| Nuevo León night | 19 |
| Nuevo __ (Mexican state) | 24 |
| Nuevo __ (Monterrey's state) | 32 |
| Nuevo __: Mexican state | 23 |
| Nuevo __: Peru's currency | 29 |
| Nuevo __: Peruvian currency | 27 |
| Nuevo ___ (Monterrey's state) | 33 |
| Nuevo ___ (Peru's currency) | 31 |
| Nuevo ___ (Peruvian currency) | 29 |
| Nuevo ___ (state in Mexico) | 27 |
| Nuevo ___, Mexican state bordering Texas | 40 |
| Nugatory | 8 |
| Nugent | 6 |
| Nugent and Danson | 17 |
| Nugent and Templeman | 20 |