九つ[kokonotsu] nine
九夏[kyuuka] summer
九回戦[kyuukaisen] regulation game
九官鳥[kyuukanchou] hill myna (species of mynah bird, Gracula religiosa)
九牛の一毛[kyuugyuunoichimou] mere fraction

九々[kuku] multiplication table
九月[kugatsu] September
九工大[kyuukoudai] Kyushu Institute of Technology
九穀[kyuukoku] the nine grains
九死に一生[kyuushiniisshou] narrow escape from death

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)