下疳[gekan] chancre
疳高い[kandakai] high-pitched
疳癪[kanshaku] passion
疳性[kanshou] irritability

疳癪玉[kanshakudama] fit of anger
軟性下疳[nanseigekan] soft chancre
疳の虫[kannomushi] convulsions (in a child)

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