牙纛[gatou] flagstaff decorated with ivory carried by the emperor or a general

大纛[taitou] large decorative black flagpole tassel made from tail hair (of a yak, horse, ox, etc.) or dyed hemp

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