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

一幅[ippuku] (a) scroll
横幅[yokohaba] breadth
画幅[gafuku] picture scroll
格幅[kappuku] physique
肩幅[katahaba] shoulder width (breadth)

三幅対[sanpukutsui] set of three
紙幅[shifuku] space assigned for something (e.g. for article in magazine)
振り幅[furihaba] amplitude (of vibration)
振幅変調[shinpukuhenchou] amplitude modulation
戦闘正面幅[sentoushoumenhaba] frontage