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

隔靴掻痒[kakkasouyou] being frustrated because something is not quite as hoped (just as one cannot scratch an itch from outside a shoe)
歯痒い[hagayui] impatient
瘙痒[souyou] itch
痛痒[tsuuyou] pain and itching
痒い[kayui] itchy

痛し痒し[itashikayushi] delicate or ticklish situation
痒み[kayumi] itch
麻姑掻痒[makosouyou] things happening exactly as one pleases (wishes)
痒がる[kayugaru] to complain of itching
むず痒い[muzugayui] itchy