nincompoop

n (infml 口) foolish person 傻瓜; 笨蛋.

nightgown, nightie (also nighty), nightingale, nightjar, nightly, nightmare, nightmarish, nights, nightshade, nightshirt, nightstick, nihilism, nihilist, nihilistic, nil, Nile, nimble, nimbleness, nimbly, nimbus, nine, nine-, ninepin, nineteen, nineteenth, ninetieth, ninety, ninny, ninth, ninthly, nip, nipper, nipple, nippy, nirvana, Nissen hut, nit, nit-picking, nitpick, nitpicking,