neurosis

n (pl -oses /-EUsi:z; -osiz/) (medical 医) mental illness that causes depression or abnormal behaviour, often with physical symptoms but with no sign of disease 神经症; 神经官能症.

net, net (also nett), netball, nether, nethermost, netting, nettle, nettle-rash, network, neur(o)-, neural, neuralgia, neuralgic, neurasthenia, neurasthenic, neuritis, neurological, neurologist, neurology, neuron, neurotic, neurotically, neurotoxic, neuter, neutral, neutrality, neutralization, neutralization, neutralisation, neutralize, neutralize, neutralise, neutrally, neutron, neutron bomb, never, never for a moment, never mind, never-ending, nevermore, neverthe less, nevertheless,