一個[ikko] piece
各個[kakko] every one
個室[koshitsu] private room
個条[kajou] article
個人[kojin] individual

個人タクシー[kojintakushii] privately owned taxi
個人教授[kojinkyouju] private instruction
個人経営[kojinkeiei] private management
個人個人[kojinkojin] individual

シュタイナー学校[shutainaagakkou] Steiner school
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
ロボット工学[robottokougaku] robotics
位相幾何学[isoukikagaku] topology
易学[ekigaku] study of divination

遺伝学[idengaku] genetics
遺伝子工学[idenshikougaku] genetic engineering
医化学[ikagaku] medical chemistry
医科大学[ikadaigaku] medical school
医学[igaku] medical science

悪態[akutai] abusive language
悪態をつく[akutaiwotsuku] to call a person names
価電子状態[kadenshijoutai] valence state
擬態語[gitaigo] mimetic word
旧態[kyuutai] old state of affairs

旧態依然[kyuutaiizen] remaining unchanged (from the old state of things)
業態[gyoutai] business conditions
形態[keitai] form
形態素[keitaiso] morpheme
経済状態[keizaijoutai] economic condition

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