薙ぐ （なぐ） to mow down, to scythe down, to knock someone off their feet

なぎ倒す （なぎたおす） to mow down, to cut down, to knock down, to defeat, to beat

薙刀 （なぎなた） naginata, polearm with a curved single-edged blade (similar to a glaive), naginata, martial art of wielding the naginata