| Natural impulse | 15 |
| Natural in craps | 16 |
| Natural in Vegas | 16 |
| Natural inclination | 19 |
| Natural incubator | 17 |
| Natural incubators | 18 |
| Natural indentation | 19 |
| Natural ingredient in printer's ink | 39 |
| Natural intelligence | 20 |
| Natural knack | 13 |
| Natural ladle | 13 |
| Natural language | 16 |
| Natural leader, in astrology | 28 |
| Natural life of a region | 24 |
| Natural life support system | 27 |
| Natural light show | 18 |
| Natural linen color | 19 |
| Natural liniment | 16 |
| Natural magnet | 14 |
| Natural medical product, such as serum | 38 |
| Natural milk container | 22 |
| Natural mimics | 14 |
| Natural mineral | 15 |
| Natural moisturizer | 19 |
| Natural mood alterer | 20 |
| Natural narcotic | 16 |
| Natural necklace | 16 |
| Natural necklace components | 27 |
| Natural neckwear | 16 |
| Natural nibbler | 15 |
| Natural number | 14 |
| Natural offering at the hair salon? | 35 |
| Natural or laughing | 19 |
| Natural or mustard | 18 |
| Natural or noble follower | 25 |
| Natural or renewable supply | 27 |
| Natural origin of life | 22 |
| Natural paces | 13 |
| Natural pigment made by grinding azurite | 40 |
| Natural pouch | 13 |
| Natural pouches | 15 |
| Natural power generator | 23 |
| Natural powers | 14 |
| Natural prefix | 14 |
| Natural privileges | 18 |
| Natural product | 15 |
| Natural pump outlet | 19 |
| Natural religion adherent | 25 |
| Natural religion advocacy | 25 |
| Natural remedy | 14 |
| Natural resin | 13 |
| Natural resource | 16 |
| Natural resource source | 23 |
| Natural resources | 17 |
| Natural resources dept. | 23 |
| Natural riser | 13 |
| Natural rock climber | 20 |
| Natural roll | 12 |
| Natural rope fiber | 18 |
| Natural rug material | 20 |
| Natural rustler | 15 |
| Natural salve | 13 |
| Natural sandwich? | 17 |
| Natural satellite | 17 |
| Natural satellites | 18 |
| Natural sci. | 12 |
| Natural scrubber | 16 |
| Natural seasoning | 17 |
| Natural seeker | 14 |
| Natural selection adherent | 26 |
| Natural selection affects it | 28 |
| Natural selection experiment | 28 |
| Natural selection theorist | 26 |
| Natural semiconductor | 21 |
| Natural sensors | 15 |
| Natural setting | 15 |
| Natural shade | 13 |
| Natural shades | 14 |
| Natural shampoo additive | 24 |
| Natural shelter | 15 |
| Natural singers | 15 |
| Natural sitting spot | 20 |
| Natural Skin Science company | 28 |
| Natural skin treatment | 22 |
| Natural skyline former | 22 |
| Natural slowpoke | 16 |
| Natural smoke detector | 22 |
| Natural soil aggregate | 22 |
| Natural soother | 15 |
| Natural source of a Massachusetts dairy product? | 48 |
| Natural source? | 15 |
| Natural sparkler | 16 |
| Natural sponge | 14 |
| Natural spring | 14 |
| Natural springs | 15 |
| Natural steam source | 20 |
| Natural sticker | 15 |
| Natural substances | 18 |
| Natural successor | 17 |
| Natural successors | 18 |