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

梯形[teikei] trapezoid
階梯[kaitei] stairs
避難梯子[hinanbashigo] fire escape
梯子車[hashigosha] hook-and-ladder truck

梯子乗り[hashigonori] ladder-top stunts
梯子段[hashigodan] step
梯子酒[hashigozake] barhopping
舷梯[gentei] gangway (ladder)