暗欝[anutsu] gloom
陰欝[inutsu] gloom
欝積[usseki] accumulation (e.g. of emotions, grievances, etc.)
憂欝症[yuuutsushou] melancholia
躁欝病[souutsubyou] manic depression

欝血[ukketsu] blood congestion
欝蒼[ussou] thick
欝憤[uppun] resentment
悒欝[yuuutsu] depression
欝金[ukon] turmeric (Curcuma domestica)

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