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)

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology