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

繋累[keirui] dependents
堅累[kenrui] stronghold
俗累[zokurui] wordly troubles
累加[ruika] acceleration
累計[ruikei] cumulative total

累算[ruisan] total
累乗[ruijou] raising a number to a power
累進[ruishin] successive promotion
累進課税[ruishinkazei] progressive taxation
累進税[ruishinzei] progressive tax