癇高い[kandakai] high-pitched
癇癖[kanpeki] short temper
癇癪[kanshaku] passion
癲癇[tenkan] epilepsy
癇症[kanshou] irritability

癇癪玉[kanshakudama] fit of anger
癇癪持ち[kanshakumochi] hot-tempered person
子癇[shikan] eclampsia
外傷性癲癇[gaishouseitenkan] traumatic epilepsy

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