一喜一憂[ikkiichiyuu] now rejoicing, now worrying
内憂[naiyuu] internal or domestic troubles
内憂外患[naiyuugaikan] troubles both at home and abroad
もの憂い[monoui] languid
憂い[ui] unhappy

憂い[urei] sorrow
憂い顔[ureigao] sad face
憂い悩む[ureinayamu] to be grievously troubled
憂さを晴らしに[usawoharashini] for amusement
憂欝症[yuuutsushou] melancholia

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)

アルコール依存症[arukooruizonshou] alcohol dependency
ストックホルム症候群[sutokkuhorumushoukougun] Stockholm syndrome
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
レジオネラ症[rejionerashou] Legionnaire's disease
悪症[akushou] malignant or virulent disease

炎症[enshou] inflammation
炎症病巣[enshoubyousou] inflamed part
花粉症[kafunshou] hay fever
過食症[kashokushou] binge eating
過敏症[kabinshou] hypersensitivity