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

開き鯵[hirakiaji] split and dried saurel
鯵のひらき[ajinohiraki] horse mackerel, cut open and dried
真鯵[maaji] Japanese jack mackerel
室鯵[muroaji] brownstriped mackerel scad (Decapterus muroadsi)

刺青蒟蒻鯵[irezumikonnyakuaji] ragfish (Icosteus aenigmaticus)
銀河目鯵[gingameaji] bigeye trevally (Caranx sexfasciatus)
浪人鯵[rouninaji] giant trevally (Caranx ignobilis)