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

水芹[seri] Java water dropwort (Oenanthe javanica)
芹科[serika] Apiaceae (parsley family of plants)
浜芹[hamazeri] Cnidium japonicum (species of umbellifer)

毒芹[dokuzeri] Mackenzie's water hemlock (Cicuta virosa)
三葉芹[mitsubazeri] mitsuba (Cryptotaenia japonica)