公卿[kugyou] Imperial Court
枢機卿[suukikyou] Cardinal (Catholic)
卿相[keishou] court nobles and state ministers
卿雲[keiun] auspicious cloud

六卿[rikukei] six ministers (of the six Zhou-dynasty Chinese ministries)
九卿[kyuukei] nine ministers (of the ancient Chinese government)
ご三卿[gosankyou] three secondary Tokugawa branch families (Tayasu, Shimizu, and Hitotsubashi)
三卿[sankyou] three secondary Tokugawa branch families (Tayasu, Shimizu, and Hitotsubashi)

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