偏芯[henshin] eccentricity (in mechanics, electronics, etc.)
燈芯[toushin] (lamp) wick
帯芯[obishin] thick obi sash
摘芯[tekishin] thinning (buds and branches)
芯地[shinji] padding

替え芯[kaeshin] spare lead
鉛筆の芯[enpitsunoshin] lead of a pencil
硬の芯[kounoshin] hard pencil lead
林檎の芯[ringonoshin] core of an apple

巨躯[kyoku] big frame
衰躯[suiku] emaciated body
全躯[zenku] the whole body
体躯[taiku] the body
矮躯[waiku] small stature

病躯[byouku] sick body
躯幹[kukan] body
長躯[chouku] tall figure
痩躯[souku] lean (figure)