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

下限[kagen] lower limit
俄分限[niwakabungen] mushroom millionaire
期限[kigen] term
給水制限[kyuusuiseigen] water supply restrictions
局限[kyokugen] limit

極限[kyokugen] utmost limits
勤務年限[kinmunengen] term of service
軍備制限[gunbiseigen] limitation of armaments
権限[kengen] power
限り[kagiri] limit