ゼロ次[zeroji] zero-order
位次[iji] order of rank
一次[ichiji] first
一次記憶[ichijikioku] first memory
一次元[ichijigen] one dimensional

一次線輪[ichijisenrin] primary coil
一次電流[ichijidenryuu] primary current
月次[tsukinami] every month
五十三次[gojuusantsugi] the 53 Toukaidou stages
高次[kouji] higher-order-

鋭鋒[eihou] brunt of attack or argument
先鋒[senpou] advance guard
兵鋒[heihou] the point of a sword
鋒先[hosaki] ear (e.g. of wheat)

鋒先[hokosaki] point of spear
舌鋒[zeppou] eloquence
急先鋒[kyuusenpou] van (of a movement)
鋒起[houki] uprising