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

一汁一菜[ichijuuissai] one-plate meal
液汁[ekijuu] juice
果汁[kajuu] fruit juice
灰汁[aku] lye
灰汁洗い[akuarai] scouring

旨い汁[umaishiru] the lion's share
汁粉[shiruko] sweet red-bean soup
出し汁[dashijiru] broth
出汁[dashi] dashi (Japanese soup stock made from fish and kelp)

御馳走様でした[gochisousamadeshita] That was a delicious meal (said after meals)
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一走り[hitohashiri] spin
逸走[issou] escape
駅伝競走[ekidenkyousou] long-distance relay race

快走[kaisou] fast sailing (running)
滑走[kassou] glide
滑走路[kassouro] runway
完走[kansou] running the race
競走[kyousou] race