お先に[osakini] before
この先の心持ち[konosakinokokoromochi] feelings from this point on
データの先頭[deetanosentou] beginning of data
ペン先[pensaki] pen nibs
一寸先[issunsaki] an inch ahead

一足先[hitoashisaki] one step ahead
烏有先生[uyuusensei] fictitious person
縁先[ensaki] veranda edge
下馬先[gebasaki] dismounting place
火先[hisaki] flames

急度[kitto] surely
オリエント急行[orientokyuukou] Orient express
応急[oukyuu] emergency
応急攻撃[oukyuukougeki] hasty attack
応急渡河[oukyuutoka] hasty crossing

火急[kakyuu] emergency
緩急[kankyuu] pace
危急[kikyuu] emergency
危急存亡[kikyuusonbou] life-and-death matter

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