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

翳む[kasumu] to grow hazy
黒翳[kokuei] silhouette
黒底翳[kurosokohi] black cataract
暗翳[anei] shadow

陰翳[inei] shadow
翳る[kageru] to darken
振り翳す[furikazasu] to raise (esp. overhead)
翳り[kageri] shadow or cloud (e.g. on someone's happiness)