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

花被[kahi] perianth
外被[gaihi] investment (in the sense of outer layer)
刑事被告[keijihikoku] the accused
刑事被告人[keijihikokunin] accused
原被[genpi] plaintiff and defendant

損害を被る[songaiwokoumuru] to suffer a loss
泥を被る[dorowokaburu] to be covered with mud
猫被り[nekokaburi] feigned innocence or naivete
買い被る[kaikaburu] to overestimate
被せる[kabuseru] to cover (with something)