御前[omai] you (formerly honorific, now sometimes derog. term referring to an equal or inferior)
御前さん[omaesan] you
已前[izen] ago
以前に[izenni] ago
一人前[ichininmae] becoming adult

一人前になる[ichininmaeninaru] to come of age
一昔前[hitomukashimae] long ago
一歩前進[ippozenshin] (a) step forward
駅前[ekimae] in front of station
駅前通り[ekimaedoori] street in front of station

亜炭[atan] lignite
一酸化炭素[issankatanso] carbon monoxide
活性炭[kasseitan] activated charcoal
褐炭[kattan] brown coal
含水炭素[gansuitanso] carbohydrate

黒炭[kokutan] bituminous coal
採炭[saitan] coal mining
載炭[saitan] coaling
重炭酸曹達[juutansansouda] sodium bicarbonate
出炭[shuttan] coal production

ゼロ地点[zerochiten] ground zero
圧痛点[attsuuten] pressure point
一致点[icchiten] point of agreement
一点[itten] speck
一点機[ichitenki] turning point

一点張り[ittenbari] persistence
引火点[inkaten] flash point
遠地点[enchiten] apogee
遠日点[enjitsuten] aphelion