ninety

num.九十

nights, nightshade, nightshirt, nightstick, nihilism, nihilist, nihilistic, nil, Nile, nimble, nimbleness, nimbly, nimbus, nincompoop, nine, nine-, ninepin, nineteen, nineteenth, ninetieth, ninny, ninth, ninthly, nip, nipper, nipple, nippy, nirvana, Nissen hut, nit, nit-picking, nitpick, nitpicking, nitrate, nitre (US niter), nitric, nitric acid, nitrogen, nitrogenous, nitrous,