御中[onaka] stomach
御話中[ohanashichuu] busy (phone)
アル中[aruchuu] alcoholism
π中間子[paichuukanshi] pi meson
暗中[anchuu] in the dark

暗中摸索[anchuumosaku] groping in the dark
意中[ichuu] one's mind
意中の女[ichuunoonna] sweetheart
井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
一日中[ichinichijuu] all day long

競べ[kurabe] contest
駅伝競走[ekidenkyousou] long-distance relay race
価格競争[kakakukyousou] price competition
競う[kisou] to compete with
競る[seru] to compete

競泳[kyouei] swimming race
競演[kyouen] recital contest
競技[kyougi] game
競技者[kyougisha] competitor
競合[kyougou] contention

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

遠距離[enkyori] long distance
可聴距離[kachoukyori] audible distance
距たる[hedataru] to be distant
距てる[hedateru] to separate (by distance, time, etc.)
距離[kyori] distance

近距離[kinkyori] short distance
走行距離[soukoukyori] distance travelled
短距離[tankyori] short distance
中距離[chuukyori] middle-distance (races)
中距離競走[chuukyorikyousou] middle-distance race

グループ分離キャラクタ[guruupubunrikyarakuta] group separator
ファイル分離キャラクタ[fairubunrikyarakuta] file separator
ユニット分離キャラクタ[yunittobunrikyarakuta] unit separator
レコード分離キャラクタ[rekoodobunrikyarakuta] record separator
引離す[hikihanasu] to pull apart

遠距離[enkyori] long distance
遠心分離[enshinbunri] centrifugation
遠心分離機[enshinbunriki] centrifuge
可聴距離[kachoukyori] audible distance
解離[kairi] dissociation