Japanese edit

For pronunciation and definitions of かいかん – see the following entries.
会館
[noun] building that hosts Chinese hometown associations; kongsi
[noun] (by extension) meeting hall, place of assembly
Alternative spellings
会舘, 會舘
快感
[noun] pleasant feeling
開館
[noun] the opening of a (kan) on a given day - library (図書館), museum (博物館), hall (会館), etc.
[noun] the first opening of such a facility
[verb] to open a (kan) for the day - library (図書館), museum (博物館), hall (会館), etc.
[verb] to open such a facility for the first time
(This term, かいかん, is the hiragana spelling of the above terms.)

(The following entries are uncreated: 回環, 快漢, 怪漢, 挂冠, 海関, 海監, 開缶, 開巻, 開管, 解官.)