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

一泊[ippaku] stopping one night
一泊行軍[ippakukougun] an overnight march
仮泊[kahaku] emergency anchoring
外泊[gaihaku] spending night away from home
休泊所[kyuuhakujo] temporary quarters

宿泊[shukuhaku] lodging
宿泊先[shukuhakusaki] lodging host
碇泊[teihaku] anchorage
泊る[tomaru] to stay at (e.g. hotel)
泊める[tomeru] to give shelter to

グリーン車[guriinsha] green car (1st class)
愛車[aisha] (one's) beloved car
医療車[iryousha] clinic car
井戸車[idoguruma] well pulley
１等車[ittousha] first-class carriage (coach)

一輪車[ichirinsha] unicycle
横車[yokoguruma] perverseness
下り列車[kudariressha] trains going away from the capital
下車[gesha] alighting (from train, bus, etc.)
火の車[hinokuruma] fiery chariot (which carries the souls of sinners into hell)