NO. WORD POS EHOWNET
1 偏頭痛 Nad {disease|疾病:CoEvent={painful|疼痛:position={head|頭}}}
2 頭風 Nad {disease|疾病:CoEvent={painful|疼痛:position={head|頭}}}
3 頭疼 VH11 {painful|疼痛:position={head|頭}}
4 頭痛 VH11 {painful|疼痛:position={head|頭}}