ラク 
() Luo river in China () Luoyang, a former Chinese capital () Kyoto
らくがい (n) outside Kyoto or the capital
らくちゅう (n) inside the capital
らくちゅうらくがい (n) in and around the city of Kyoto
らくちゅうらくがいず (exp) views in and around the city of Kyoto (paintings and drawings)
らくない (n) in Kyoto or the capital
らくなん (n) (1) south of the capital, (2) southern part of Kyoto
らくようのしかをたかめる (exp) (arch) (of a printed literary work) to be highly-reputed and sell extremely well (lit: to raise the price of paper in Luoyang)

Links: KanjiDic: EDict : Wikimedia
Etymologies: 中文字譜 : 説文解字