円寂[enjaku] nirvana
閑寂[kanjaku] quiet
寂しがる[sabishigaru] to miss someone
寂れる[sabireru] to decline (in prosperity)
寂りょう[sekiryou] loneliness

心寂しい[kokorosabishii] lonely
静寂[seijaku] silence
入寂[nyuujaku] death of a priest
幽寂[yuujaku] quiet

に就て[nitsuite] concerning
に就き[nitsuki] because of
去就[kyoshuu] committing one's self
就いては[tsuiteha] in line with this
就きましては[tsukimashiteha] in line with this

就く[tsuku] to ascend (the throne)
就ける[tsukeru] to install (a king, emperor, etc.)
就学[shuugaku] entering school
就学義務[shuugakugimu] compulsory school attendance
就学児童[shuugakujidou] school child