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

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

簇がる[muragaru] to swarm
上簇[jouzoku] spinning of cocoons
簇生[zokusei] (of plants) growing in clusters
簇出[zokushutsu] springing up in clusters

太簇[taizoku] (in China) 3rd note of the ancient chromatic scale (approx. E)
簇出[soushutsu] springing up (in clusters)
簇々[zokuzoku] gathering