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

加餐[kasan] caring for one's health
午餐[gosan] lunch
午餐会[gosankai] luncheon party
最後の晩餐[saigonobansan] the Last Supper
主の晩餐[shunobansan] the Lord's Supper

正餐[seisan] banquet
聖餐[seisan] Holy Communion
昼餐[chuusan] luncheon
晩餐[bansan] dinner
晩餐会[bansankai] dinner party