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

開襟シャツ[kaikinshatsu] open-collared shirt
共襟[tomoeri] same-colored neckband (coloured)
胸襟[kyoukin] one's heart
襟巻[erimaki] muffler
襟巻き蜥蜴[erimakitokage] frilled lizard (Chlamydosaurus kingii)

襟元[erimoto] front of neck
襟首[erikubi] nape of neck
襟足[eriashi] nape of neck
襟髪[erigami] scruff of neck
半襟[haneri] quality collar for an under kimono