運輸省[unyushou] Ministry of Transport
外務省[gaimushou] Ministry of Foreign Affairs
各省[kakushou] each ministry
冠省[kanshou] Forgive me for dispensing with the preliminaries, but I hasten to inform you that...
帰省[kisei] homecoming

教育省[kyouikushou] Department of Education
省みる[kaerimiru] to look back (e.g. over shoulder or at the past)
厚生省[kouseishou] Ministry of Health and Welfare (now Ministry of Health, Labour and Welfare)
国防総省[kokubousoushou] National Military Establishment
国務省[kokumushou] State Department

愛顧[aiko] patronage
一顧[ikko] (take no) notice of
恩顧[onko] favour
家庭を顧みない[kateiwokaeriminai] thinking little of one's family
回顧[kaiko] recollection

回顧録[kaikoroku] memoirs
軍事顧問[gunjikomon] military adviser
顧る[kaerimiru] to look back (e.g. over shoulder or at the past)
顧問[komon] adviser
顧慮[koryo] concern