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

下働き[shitabataraki] subordinate work
共働き[tomobataraki] (husband and wife) both working
勤め働く[tsutomehataraku] to work diligently
軽労働[keiroudou] light labor
港湾労働者[kouwanroudousha] longshoreman

自働[jidou] automatic
自働化[jidouka] automation
実働時間[jitsudoujikan] actual work hours
囚人労働[shuujinroudou] prison labor
重労働[juuroudou] heavy labor

一稼ぎ[hitokasegi] job
稼ぎ[kasegi] earnings
稼ぎ手[kasegite] breadwinner
稼ぐ[kasegu] to earn income
稼げる[kasegeru] to work

稼業[kagyou] trade
共稼ぎ[tomokasegi] working together
原稿稼ぎ[genkoukasegi] living on one's writing
荒稼ぎ[arakasegi] making a killing
時間稼ぎ[jikankasegi] holding out