| National Spelling Bee organizer | 31 |
| National Spelling Bee rarity | 28 |
| National Spelling Bee sponsor | 29 |
| National sport of South Korea | 29 |
| National sports org. | 20 |
| National Stamp Collecting Mo. | 29 |
| National STD Awareness Month | 28 |
| National symbol | 15 |
| National symbol down under | 26 |
| National symbol of Ireland | 26 |
| National symbol of New Zealand | 30 |
| National symbol of Wales | 24 |
| National symbol with eleven points | 34 |
| National symbols | 16 |
| National symbols, often | 23 |
| National Taco Day mo. | 21 |
| National Talk Like a Robot mo. | 30 |
| National team known as Gli Azzurri | 34 |
| National Theatre of Japan offering | 34 |
| National train service | 22 |
| National treasuries | 19 |
| National treasury | 17 |
| National tree | 13 |
| National tree of Germany | 24 |
| National tune | 13 |
| National U.S. problem | 21 |
| National uncle | 14 |
| National Velvet author Bagnold | 33 |
| National Velvet novelist Bagnold | 35 |
| National Voting Rights Museum city | 34 |
| National Voting Rights Museum locale | 36 |
| National Voting Rights Museum site | 34 |
| National Water Quality mo. | 26 |
| National Wear Red Day mo. | 25 |
| National Weather Service feature | 32 |
| National who lives overseas, informally | 39 |
| National women's org. | 25 |
| National Women's Political Caucus cofounder | 47 |
| National youth org. | 19 |
| National Zoo attraction | 23 |
| National Zoo beast | 18 |
| National Zoo creature | 21 |
| National Zoo creatures | 22 |
| National Zoo critters | 21 |
| National Zoo favorite | 21 |
| National Zoo favorites | 22 |
| National ___ | 12 |
| National ___ Convention (annual Britt, Iowa event) | 50 |
| National's local rival | 26 |
| National, before emigrating? | 28 |
| National, before moving | 23 |
| National, formerly | 18 |
| National, once | 14 |
| National, previously | 20 |
| National-anthem starter | 23 |
| National-defense arms | 21 |
| National-park photographer | 26 |
| Nationalist grp. since 1919 | 27 |
| Nationalist Timothy ___ of Ireland: 1885–1931 | 52 |
| Nationalistic chant | 19 |
| Nationalists' capital | 25 |
| Nationality ender | 17 |
| Nationality ending | 18 |
| Nationality finish | 18 |
| Nationality indicator | 21 |
| Nationality of mostRed River settlers | 37 |
| Nationality of U Nu | 19 |
| Nationality prefix | 18 |
| Nationality since 1948 | 22 |
| Nationality suffix | 18 |
| Nationality: Suffix | 19 |
| Nationals | 9 |
| Nationals grp. | 14 |
| Nationals living abroad, informally | 35 |
| Nationals whose flag declares "God is great" | 54 |
| Nationals, again | 16 |
| Nationals, at one time | 22 |
| Nationals, before 2005 | 22 |
| Nationals, before they were Nationals | 37 |
| Nationals, formerly | 19 |
| Nationals, once | 15 |
| Nationals, prior to 2005 | 24 |
| Nations | 7 |
| Nations joining together | 24 |
| Nations mentioned in Genesis | 28 |
| Nations once closely allied with the Soviet Union | 49 |
| Nations that don't take sides | 33 |
| Nations Unies members | 21 |
| Nations united | 14 |
| Nationwide competitor | 21 |
| Nationwide downsizing? | 22 |
| Nationwide mil. instruction | 27 |
| Nationwide sandwich debut of 1972 | 33 |
| Nationwide Series events | 24 |
| Nationwide, in song | 19 |
| Native | 6 |
| Native ability | 14 |
| Native African | 14 |
| Native African village | 22 |
| Native African's musical beat? | 34 |