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

ペン胼胝[pendako] callus on one's middle finger (from writing)
耳に胼胝ができる[miminitakogadekiru] to be told or made to hear something so often that you (metaphorically) get calluses on your ears
胼胝体[benchitai] corpus callosum

准胝観音[jundeikannon] Cundi (manifestation of Avalokitesvara)
座り胼胝[suwaridako] calluses (on one's ankles, insteps, etc.) caused by sitting seiza