医学技術士[igakugijutsushi] medical technician
医学士[igakushi] Bachelor of Medicine
一言居士[ichigenkoji] person who is ready to comment on every subject
一士[isshi] private first-class (JSDF)
隠士[inshi] hermit

宇宙飛行士[uchuuhikoushi] astronaut
運転士[untenshi] driver
栄養士[eiyoushi] nutritionist
下士[kashi] noncommissioned officer
下士官[kashikan] non-commissioned officer

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