| Nineveh's land: Abbr. | 25 |
| Ninja Turtle's cry | 22 |
| Ninja Turtle's hangout | 26 |
| Ninja Turtles catchphrase | 25 |
| Ninja Turtles' hangout | 26 |
| Ninja Turtles' home | 23 |
| Ninja turtles' milieux | 26 |
| Ninny's brain size | 22 |
| Ninny's threesome? | 22 |
| Nino ___, Italian composer | 26 |
| Nintendo critter since 1981 | 27 |
| Nintendo debut of 2006 | 22 |
| Nintendo download service | 25 |
| Nintendo DS alternative | 23 |
| Nintendo DS competitor | 22 |
| Nintendo exercise activities | 28 |
| Nintendo fanatic, e.g. | 22 |
| Nintendo game with Pikachu | 26 |
| Nintendo option for gamers | 26 |
| Nintendo video game star | 24 |
| Nintendo video-game console | 27 |
| Nintendo's headquarters | 27 |
| Nintendo's one-time rival | 29 |
| Nintendo's precursor | 24 |
| Nintendo's predecessor | 26 |
| Nintendo's Super --- | 24 |
| Nintendo's Super __ | 23 |
| Nintendo's Super ___ | 24 |
| Nintendo's yearly concern | 29 |
| Nintendo's __ mini | 22 |
| Nintendo's ___ Bros. | 24 |
| Nintendo's ___ Glove | 24 |
| Nintendo's ___ Mansion | 26 |
| Nintendo's ___ Remote | 25 |
| Ninth Commandment phrase | 24 |
| Ninth day before the Ides | 25 |
| Ninth hour, to a cleric | 23 |
| Ninth in a series: Abbr. | 24 |
| Ninth inning specialist | 23 |
| Ninth letter in old Athens | 26 |
| Ninth or 23d U.S. President | 27 |
| Ninth planet from the sun | 25 |
| Ninth planet from the sun? | 26 |
| Ninth star in a constellation | 29 |
| Ninth-cent. Gallic language | 27 |
| Ninth-century B.C. prophet | 26 |
| Ninth-century king of Wessex | 28 |
| Ninth-century Saxon king | 24 |
| Ninth-century Vatican head | 26 |
| Ninth-inning hurler, often | 26 |
| Ninth-inning relief pitcher | 27 |
| Ninth-inning specialist | 23 |
| Ninth-inning starter, often | 27 |
| Niobe's outpouring | 22 |
| Niobe's tormented dad | 25 |
| Nipped, with "out" | 28 |
| Nipper appeared in its ad | 25 |
| Nipper appeared on its logo | 27 |
| Nipper the dog's co. | 24 |
| Nipper the dog's company | 28 |
| Nipper the dog's corp. | 26 |
| Nipper's real master | 24 |
| Nipple or tongue accentuation | 29 |
| Nipponese born in Napa | 22 |
| Nipponese capital, once | 23 |
| Nipponese immigrant to U.S. | 27 |
| Nirvana "Swap ___" | 28 |
| Nirvana "___ Girl" | 28 |
| Nirvana bassist Novoselic | 25 |
| Nirvana label, for a while | 26 |
| Nirvana or Pearl Jam genre | 26 |
| Nirvana's Novoselic | 23 |
| Nirvana's record label | 26 |
| Nisan's antecedent | 22 |
| Nissan Bluebird competitor | 26 |
| Nissan Leaf competitor | 22 |
| Nissan luxury division | 22 |
| Nissan's former name | 24 |
| Nissen's creations | 22 |
| NIT's bigger relative | 25 |
| Nitpicker's target | 22 |
| Nitpicking kid minder? | 22 |
| Nitpicky word for grammarians | 29 |
| Nitrate and nitrite, e.g. | 25 |
| Nitrates and phosphates | 23 |
| Nitrogen and carbon dioxide | 27 |
| Nitrogen, for instance | 22 |
| Nitrogen, in chemistry | 22 |
| Nitrogen-based compound | 23 |
| Nitrogen-hydrogen compound | 26 |
| Nitrogen/hydrogen radical | 25 |
| Nitrogenous: Comb. form | 23 |
| Nitroglycerin or dynamite | 25 |
| Nitroglycerin, for example | 26 |
| Nitroglycerin, for one | 22 |
| Nitrous -- (laughing gas) | 25 |
| Nitrous and zinc, for two | 25 |
| Nitrous oxide predecessor | 25 |
| Nitrous oxide, for one | 22 |
| Nitrous __ (laughing gas) | 25 |