| Nautical plank or block | 23 |
| Nautical miles, loosely | 23 |
| Nautical mile per hour | 22 |
| Nautical heading: Abbr. | 23 |
| Nautical heading, briefly | 25 |
| Nautical direction: Abbr. | 25 |
| Nautical day's beginning | 28 |
| Nautical chain or rope | 22 |
| Nautical attention-getter | 25 |
| Nautical attention grabber | 26 |
| Nautical and space leader | 25 |
| Nautical almanac topics | 23 |
| Nautical almanac listing | 24 |
| Nautical "Yo!" | 24 |
| Nautical "yeses" | 26 |
| Nautical "stop" | 25 |
| Nautical "Stop!" | 26 |
| Nautical "seven" | 26 |
| Nautical "Howdy!" | 27 |
| Nautical "Hold it!" | 29 |
| Nautical "Help!" | 26 |
| Nautical "Halt!" | 26 |
| Naut. detection apparatus | 25 |
| Naughty's opposite | 22 |
| Naughty ___ (adult costume) | 27 |
| Naughty pupil's place | 25 |
| Naughty ones from Nice | 22 |
| Naughty Goose and Moose Drool | 29 |
| Naughty girl of musical fame | 28 |
| Naughty By Nature song | 22 |
| Naughty by Nature hit of 1991 | 29 |
| Naughty and nice roster | 23 |
| Naughts-and-crosses failure | 27 |
| Naughts and crosses win | 23 |
| Naturist's practice | 23 |
| Nature-trail travelers | 22 |
| Nature's icy coating | 24 |
| Nature's burn remedy | 24 |
| Nature's building block | 27 |
| Nature's alarm clock | 24 |
| Nature writer Edwin Way ___ | 27 |
| Nature worshiper, of a sort | 27 |
| Nature photographer Adams | 25 |
| Nature lovers, e.g. (Var.) | 26 |
| Nature lovers of a sort | 23 |
| Nature lover's prefix | 25 |
| Nature goddess of the Nile | 26 |
| Naturally-lit living space | 26 |
| Naturally lit courtyard | 23 |
| Naturally inclined (to) | 23 |
| Naturally disposed toward | 25 |
| Naturally curly hairdo | 22 |
| Naturally brewed beverage | 25 |
| Naturalist/TV host Steve | 24 |
| Naturalist's subj. | 22 |
| Naturalist Roger ___ Peterson | 29 |
| Naturalist John's family | 28 |
| Naturalist John et al. | 22 |
| Naturalist Fossey et al. | 24 |
| Naturalist Edwin Way ___ | 24 |
| Natural-gas components | 22 |
| Natural, in '70s lingo | 26 |
| Natural viewing height | 22 |
| Natural unpredictability | 24 |
| Natural tunnel creator | 22 |
| Natural topical treatment | 25 |
| Natural timekeeper, of a sort | 29 |
| Natural soil aggregate | 22 |
| Natural smoke detector | 22 |
| Natural skyline former | 22 |
| Natural skin treatment | 22 |
| Natural Skin Science company | 28 |
| Natural shampoo additive | 24 |
| Natural selection theorist | 26 |
| Natural selection experiment | 28 |
| Natural selection affects it | 28 |
| Natural selection adherent | 26 |
| Natural resources dept. | 23 |
| Natural resource source | 23 |
| Natural religion advocacy | 25 |
| Natural religion adherent | 25 |
| Natural power generator | 23 |
| Natural origin of life | 22 |
| Natural or renewable supply | 27 |
| Natural or noble follower | 25 |
| Natural necklace components | 27 |
| Natural milk container | 22 |
| Natural life support system | 27 |
| Natural life of a region | 24 |
| Natural leader, in astrology | 28 |
| Natural history museum prefix | 29 |
| Natural history museum piece | 28 |
| Natural History Mus. display | 28 |
| Natural hair conditioner | 24 |
| Natural geological trap | 23 |
| Natural gas ingredient | 22 |
| Natural gas constituent | 23 |
| Natural gas components | 22 |
| Natural gait of a horse | 23 |
| Natural food additives | 22 |