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

アイヌ族[ainuzoku] the Ainu race
亜族[azoku] subgroup (of the periodic table)
遺家族[ikazoku] bereaved family
遺族[izoku] bereaved family
一族[ichizoku] family

印欧語族[inougozoku] Indo-European languages
姻族[inzoku] in-law
王族[ouzoku] royalty
家族[kazoku] family
家族計画[kazokukeikaku] family planning