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

異議[igi] objection
異議なく[iginaku] without demur
井戸端会議[idobatakaigi] content-free chat
一議[ichigi] word (opinion, objection)
円卓会議[entakukaigi] round-table conference

横議[ougi] arguing persistently
下院議[kaingi] lower house (of Parliament, etc.)
下院議員[kaingiin] member of the lower house
下院議長[kaingichou] Speaker of the House (US, etc.)
下協議[shitakyougi] preliminary conference