癩病[raibyou] Hansen's disease
癩病患者[raibyoukanja] leper
癩菌[raikin] Mycobacterium leprae
救癩[kyuurai] helping the lepers

白癩[shirahatake] vitiligo
白癩[byakurai] white leprosy
黒癩[kokurai] black leprosy

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