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

然り気ない[sarigenai] nonchalant
然う然う[sousou] so long
然して[soshite] and
亜爾然丁[aruzenchin] Argentina
闇然[anzen] dark

依然[izen] still
依然として[izentoshite] still
一目瞭然[ichimokuryouzen] apparent
隠然[inzen] latent power
果然[kazen] as was expected