noughts and crosses (US tick-tack-toe)

game played by writing 0s and Xs on a grid of nine squares, attempting to complete a row of three 0s or three Xs 圈叉游戏（在井字形九格中各画0或X, 先将三个连成一行者胜）.

noteworthiness, noteworthy, nothing, nothing but, nothingness, notice, notice-board, noticeable, noticeably, notifiable, notification, notify, notion, notional, notoriety, notorious, notoriously, notwithstanding, nougat, nought, noun, noun phrase, nourish, nourishing, nourishment, nous, nouveau riche, Nov, nova, novel, novelette, novelist, novelty, November, novice, noviciate (also novitiate), now, now and then, now that, nowadays,