| Nativity inn problem | 20 |
| Nativity locale | 15 |
| Nativity models | 15 |
| Nativity numbers | 16 |
| Nativity representation | 23 |
| Nativity scene | 14 |
| Nativity scene animals | 22 |
| Nativity scene beast | 20 |
| Nativity scene figure | 21 |
| Nativity scene figures | 22 |
| Nativity scene item | 19 |
| Nativity scene necessity | 24 |
| Nativity scene setting | 22 |
| Nativity scene threesome | 24 |
| Nativity scene trio | 19 |
| Nativity scenes | 15 |
| Nativity setting | 16 |
| Nativity setup | 14 |
| Nativity sights | 15 |
| Nativity site | 13 |
| Nativity tableau | 16 |
| Nativity trio | 13 |
| Nativity wise men | 17 |
| Nativity ___ (crèche) | 24 |
| Nativity-play accessory | 23 |
| Nativity-scene figures | 22 |
| Nativity-scene trio | 19 |
| Natl. Adopt-a-Dog Mo. | 21 |
| Natl. Adopt-a-Dog Month | 23 |
| Natl. Adoption Awareness Month | 30 |
| Natl. Adoption Mo. | 18 |
| Natl. Anxiety Month | 19 |
| Natl. athletics supporter | 25 |
| Natl. Baked Beans Mo. | 21 |
| Natl. Blood Donor Month | 23 |
| Natl. Boss Day, ___ 16 | 22 |
| Natl. Broadcaster | 17 |
| Natl. Chicken Month | 19 |
| Natl. Congress of Mothers, today | 32 |
| Natl. Courtesy Mo. | 18 |
| Natl. Courtesy Month | 20 |
| Natl. Dessert Month | 19 |
| Natl. Diabetes Awareness Month | 30 |
| Natl. Dog Show promoter | 23 |
| Natl. economic indicator | 24 |
| Natl. economic stat | 19 |
| Natl. economic stats | 20 |
| Natl. education group | 21 |
| Natl. Funeral Directors site | 28 |
| Natl. Grapefruit Mo. | 20 |
| Natl. Guard counterpart | 23 |
| Natl. Hot Dog Mo. | 17 |
| Natl. Humor Month | 17 |
| Natl. League city | 17 |
| Natl. Library Card Sign-Up Month | 32 |
| Natl. Merit Scholarship earner's exam | 41 |
| Natl. Merit Scholarship qualifier | 33 |
| Natl. Merit Scholarship qualifying exam | 39 |
| Natl. Mon. near Charleston, S.C. | 32 |
| Natl. Muzzleloading Championship sponsor | 40 |
| Natl. negotiator | 16 |
| Natl. Novel Writing mo. | 23 |
| Natl. Nutrition Mo. | 19 |
| Natl. org. of good works since 1906 | 35 |
| Natl. park campers | 18 |
| Natl. park sights | 17 |
| Natl. Piano Mo. | 15 |
| Natl. Pizza Month | 17 |
| Natl. Poetry Mo. | 16 |
| Natl. Popcorn Poppin' Month | 31 |
| Natl. population-counting agcy. | 31 |
| Natl. Pretzel Mo. | 17 |
| Natl. registry grp. | 19 |
| Natl. registry org. | 19 |
| Natl. Safe Toys and Gifts Mo. | 29 |
| Natl. Sewing Month | 18 |
| NATO agreement, e.g. | 20 |
| NATO alphabet "E" | 27 |
| NATO alphabet ender | 19 |
| NATO alphabet letter between Alfa and Charlie | 45 |
| NATO alphabet vowel | 19 |
| NATO alphabet word after November | 33 |
| NATO and AWOL, e.g. | 19 |
| NATO and PLO, for two | 21 |
| Nato and Seato | 14 |
| NATO capital | 12 |
| NATO charter member | 19 |
| NATO country | 12 |
| NATO country capital | 20 |
| NATO cousin | 11 |
| NATO founder | 12 |
| NATO founding member | 20 |
| NATO headquarters | 17 |
| NATO headquarters site | 22 |
| NATO is one | 11 |
| NATO joiner of '04 | 22 |
| NATO kin | 8 |
| NATO leader | 11 |
| NATO mem. | 9 |
| NATO member | 11 |