烏有に帰する[uyuunikisuru] to be reduced to ashes
烏有先生[uyuusensei] fictitious person
恩が有る[ongaaru] to be in one's debt
価値有る[kachiaru] valuable
含有[ganyuu] contain

含有量[ganyuuryou] content (of a mineral, etc.)
享有[kyouyuu] possession
共有[kyouyuu] share
共有財産[kyouyuuzaisan] community property
共有者[kyouyuusha] joint owners

異類[irui] varieties
一類[ichirui] same kind
円虫類[enchuurui] round worms
塩類[enrui] salts
塩類溶液[enruiyoueki] saline

貝類[kairui] shellfish
柑橘類[kankitsurui] citrus fruits
希土類[kidorui] rare earth
魚貝類[gyokairui] marine products
魚類[gyorui] fish

介鱗[kairin] fish and shellfish
逆鱗[gekirin] imperial wrath
片鱗[henrin] portion
骨鱗[kotsurin] bony scale (of a fish)
鱗木[rinboku] lepidodendron

鱗片[rinpen] (animal or plant) scale
鱗状[rinjou] scaly
鱗茎[rinkei] (lily or tulip, etc.) bulb
鱗粉[rinpun] (insectile, especially moth) scales